1.
A percent is...
Correct Answer
A. A ratio that compares a number to 100
Explanation
A percent is a ratio that compares a number to 100. It is a way of expressing a fraction or a part of a whole in terms of hundredths. For example, if we say that 50% of a pizza is eaten, it means that half of the pizza has been consumed. The percent sign (%) is used to represent percentages.
2.
A ratio is...
Correct Answer
D. A comparison of two numbers by division
Explanation
A ratio is a comparison of two numbers by division. It represents the relationship between the two numbers in terms of how many times one number is contained within the other. For example, a ratio of 2:1 means that the first number is twice as large as the second number. Division is used to calculate the ratio by dividing the first number by the second number.
3.
Write this ratio as a percent.
56 out of 100
Correct Answer
56%
Explanation
The ratio of 56 out of 100 can be expressed as a percentage by dividing 56 by 100 and multiplying the result by 100. This gives us 56%.
4.
Write this percent as a ratio in word form.
38 percent
Correct Answer
38 out of 100
Explanation
The given correct answer states that 38 percent can be expressed as the ratio "38 out of 100". This means that out of a total of 100 parts, 38 parts represent the value of 38 percent.
5.
Write this percent as a ratio in word form.
6%
Correct Answer
6 out of 100
Explanation
The given percent, 6%, can be written as a ratio in word form as "6 out of 100". This means that out of a total of 100, there are 6 parts or units that represent the given percentage.
6.
Where can you see percents?
Correct Answer
D. All of the above
Explanation
Percentages can be seen in various situations. They are commonly used to represent test scores, indicating the proportion of correct answers. Percentages are also used when shopping for clothes at the mall to indicate discounts or sales. Additionally, percentages are used when leaving a tip at a restaurant, representing the proportion of the bill to be paid as a gratuity. Therefore, all of the given options - written as test scores, when shopping for clothes at the mall, and when leaving a tip at a restaurant - can show percentages.
7.
There are six colored marbles. Two of the marbles are red, one of the marbles is blue and three of the marbles are green. What percentage of the marbles are green?
Correct Answer
50%
Explanation
Out of the six marbles, three are green. To find the percentage, we divide the number of green marbles (3) by the total number of marbles (6) and multiply by 100. 3/6 = 0.5 or 50%. Therefore, 50% of the marbles are green.
8.
There are four colored pieces of paper. One of the pieces of paper is pink, two of the pieces of paper are purple, and one piece of paper is orange. What percentage of the pieces of paper is pink?
Correct Answer
25%
Explanation
Since there are a total of four colored pieces of paper and only one of them is pink, the percentage of pink pieces of paper can be calculated by dividing the number of pink pieces (1) by the total number of colored pieces (4) and multiplying by 100. This gives us a result of 25%, indicating that 25% of the pieces of paper are pink.
9.
Write this percent as a ratio in word form.
20 percent
Correct Answer
20 out of 100
Explanation
The ratio in word form for 20 percent is "twenty out of one hundred."
10.
Write this percent as a ratio in word form.
60%
Correct Answer
60 out of 100
Explanation
The ratio in word form for 60% is "60 out of 100".