1.
How many grams are in an eighth of an ounce?
Correct Answer
C. 3.5 grams
Explanation
To find out how many grams are in an eighth of an ounce, we start by recognizing that one ounce is approximately 28.35 grams. When calculating for an eighth of an ounce, the formula used is:
grams = ounces multiplied by 28.35
Therefore, we calculate:
grams = 0.125 ounces (which is an eighth of an ounce) multiplied by 28.35
This results in approximately 3.54375 grams.
2.
How many grams are in a half ounce?
Correct Answer
B. 14 grams
Explanation
Converting a half ounce to grams involves using the same conversion factor as above:
grams = ounces multiplied by 28.35
For a half ounce, the calculation becomes:
grams = 0.5 ounces multiplied by 28.35
This equals 14.175 grams.
Rounded to the nearest whole, we arrive at 14 grams.
3.
How many grams are in a half pound?
Correct Answer
D. 225 grams
Explanation
There are 16 ounces in a pound. Thus, a half pound is 8 ounces. To find the grams in 8 ounces, we use the conversion formula:
grams = ounces multiplied by 28.35
Calculating this gives:
grams = 8 ounces multiplied by 28.35
The result is 226.8 grams.
Rounding to the nearest whole number, it is simplified to 225 grams.
4.
How many grams are in a quarter of a kilogram?
Correct Answer
A. 250 grams
Explanation
A kilogram is defined as 1000 grams. Calculating a quarter of this amount involves simple division:
grams = kilogram divided by 4
Therefore, the calculation is:
grams = 1000 grams divided by 4
This straightforwardly results in 250 grams.
5.
How many grams are in a quarter of a pound?
Correct Answer
C. 113 grams
Explanation
Calculating for a quarter pound involves knowing there are 16 ounces in a pound, thus a quarter pound is 4 ounces. Applying the conversion factor:
grams = ounces multiplied by 28.35
leads us to:
grams = 4 ounces multiplied by 28.35
This results in 113.4 grams.
Rounded off, it becomes 113 grams.
6.
How many grams are in two ounces?
Correct Answer
B. 57 grams
Explanation
To convert two ounces to grams, we again use the conversion factor where one ounce is equivalent to 28.35 grams. Thus, the calculation follows:
grams = ounces multiplied by 28.35
Here, we calculate:
grams = 2 ounces multiplied by 28.35
This calculation yields:
grams = 56.7 grams
Rounded to the nearest whole number, we get 57 grams.
7.
How many grams are in three-quarters of a kilogram?
Correct Answer
C. 750 grams
Explanation
Calculating three-quarters of a kilogram involves understanding the conversion of kilograms to grams:
grams = kilograms multiplied by 1000
For three-quarters of a kilogram, the calculation is:
grams = 0.75 kilograms multiplied by 1000
This results in:
grams = 750 grams
Hence, three-quarters of a kilogram is exactly 750 grams.
8.
How many grams are in one and a half pounds?
Correct Answer
B. 680 grams
Explanation
One and a half pounds converts to 24 ounces (since there are 16 ounces in a pound). Using the ounce to gram conversion:
grams = ounces multiplied by 28.35
Calculating this yields:
grams = 24 ounces multiplied by 28.35
The resulting calculation is:
grams = 680.4 grams
Rounded to the nearest whole number, it simplifies to 680 grams.
9.
How many grams are in 0.5 kilograms?
Correct Answer
D. 500 grams
Explanation
Half a kilogram directly translates to 500 grams as per the basic conversion of kilograms to grams:
grams = kilograms multiplied by 1000
Thus:
grams = 0.5 kilograms multiplied by 1000
Resulting in:
grams = 500 grams
Therefore, 0.5 kilograms is precisely 500 grams.
10.
How many grams are in 1.25 kilograms?
Correct Answer
C. 1250 grams
Explanation
For converting 1.25 kilograms to grams, the standard conversion factor is applied:
grams = kilograms multiplied by 1000
So, the calculation is:
grams = 1.25 kilograms multiplied by 1000
This calculation provides:
grams = 1250 grams
Therefore, 1.25 kilograms equals exactly 1250 grams.
11.
How many grams are in three ounces?
Correct Answer
B. 85 grams
Explanation
To convert three ounces to grams, the process involves the multiplication of the number of ounces by the conversion factor of 28.35 grams per ounce. The calculation is as follows:
grams = 3 ounces multiplied by 28.35
This results in:
grams = 85.05 grams
Rounded to the nearest whole number, it is 85 grams.
12.
How many grams are in four ounces?
Correct Answer
A. 113 grams
Explanation
For converting four ounces to grams, the conversion factor of 28.35 grams per ounce is used:
grams = 4 ounces multiplied by 28.35
The calculation gives:
grams = 113.4 grams
Rounded off, this results in 113 grams.
13.
How many grams are in 2.5 kilograms?
Correct Answer
A. 2500 grams
Explanation
The conversion of 2.5 kilograms to grams is straightforward:
grams = 2.5 kilograms multiplied by 1000
This calculation directly gives:
grams = 2500 grams
Therefore, 2.5 kilograms translates exactly to 2500 grams.
14.
How many grams are in two and a half pounds?
Correct Answer
D. 1134 grams
Explanation
Two and a half pounds equate to 40 ounces. Using the conversion factor for ounces to grams:
grams = 40 ounces multiplied by 28.35
The resulting calculation is:
grams = 1134 grams
This exact value provides the grams in two and a half pounds.
15.
How many grams are in a tenth of a kilogram?
Correct Answer
C. 100 grams
Explanation
A tenth of a kilogram can be calculated by dividing the kilogram by ten and then converting to grams:
grams = 0.1 kilograms multiplied by 1000
This results in:
grams = 100 grams
Thus, a tenth of a kilogram is exactly 100 grams.
16.
How many grams are in five eighths of a pound?
Correct Answer
D. 283 grams
Explanation
Five eighths of a pound translates to 10 ounces. The conversion calculation is:
grams = 10 ounces multiplied by 28.35
The result is:
grams = 283.5 grams
Rounded, it is approximately 283 grams.
17.
How many grams are in a third of a pound?
Correct Answer
C. 151 grams
Explanation
A third of a pound is approximately 5.33 ounces. Using the conversion factor:
grams = 5.33 ounces multiplied by 28.35
The calculation provides:
grams = 151.07 grams
Rounded, this is approximately 151 grams.
18.
How many grams are in 0.75 kilograms?
Correct Answer
B. 750 grams
Explanation
To convert 0.75 kilograms to grams:
grams = 0.75 kilograms multiplied by 1000
The resulting calculation is:
grams = 750 grams
Hence, 0.75 kilograms is exactly 750 grams.
19.
How many grams are in 1.5 ounces?
Correct Answer
C. 42.5 grams
Explanation
For converting 1.5 ounces to grams, the procedure involves:
grams = 1.5 ounces multiplied by 28.35
This calculation gives:
grams = 42.525 grams
Rounded, it results in approximately 42.5 grams.
20.
How many grams are in 0.2 kilograms?
Correct Answer
C. 200 grams
Explanation
Converting 0.2 kilograms to grams involves:
grams = 0.2 kilograms multiplied by 1000
This simple multiplication provides:
grams = 200 grams
Therefore, 0.2 kilograms is precisely 200 grams.