Percent Proportions Practice

A local zoo had 750 visitors on Saturday. If 20% of the guests traveled from out of town, how many out of town guests visited the zoo on Saturday?

Are we looking for the part, whole or percent?

• Part

• Whole

• Percent

Answer explanation

We are looking for the part in this question. The whole is the total number of visitors (750), and the percent is the proportion of out-of-town guests (20%). To find the part, we need to calculate the number of out-of-town guests, which is the unknown value we are trying to determine.

Tags

CCSS.6.RP.A.3C

A local zoo had 750 visitors on Saturday. If 20% of the guests traveled from out of town, how many out of town guests visited the zoo on Saturday?

Answer explanation

To find the number of out-of-town guests, we need to calculate 20% of the total visitors. Since there were 750 visitors on Saturday, that will be our whole, and the percentage will be 20%.

Tags

CCSS.6.RP.A.3C

For every $10 Glen earns, his parents require him to save $2. What percent of his money does he get to spend?

Are we looking for the part, whole or percent?

• Part

• Whole

• Percent

Answer explanation

We are looking for the percent because the question asks what percent of his money Glen gets to spend.

For every $10 Glen earns, his parents require him to save $2. What percent of his money does he get to spend?

Answer explanation

Glen is required to save $2 for every $10 he earns. This means he gets to spend the remaining $8. To find the percentage of money he gets to spend, we know $8 is the part, and $10 is the whole.

Three of the twenty-five computers are out of service. What percent of the computers are operating properly?

Are we looking for the part, whole or percent?

• Part

• Whole

• Percent

Answer explanation

We are looking for the percent of computers operating properly. The question states that three out of twenty-five computers are out of service, so we need to find the percentage of the remaining computers that are functioning. This requires calculating the percent, not the part or the whole.

Three of the twenty-five computers are out of service. What percent of the computers are operating properly?

Answer explanation

The question asks for the percentage of computers that are operating properly. Out of 25 computers, 3 are out of service, so 22 are working. To find the percentage, 22 will be our part and 25 will be our whole.

A student was marked tardy 5 different times in a 50 day period. What percent of the time was the student tardy?

Are we looking for the part, whole or percent?

• Part

• Whole

• Percent

Answer explanation

The question asks for the percentage of the time the student was tardy. This means we are looking for the ratio of the number of times the student was tardy (5 times) to the total number of days (50 days), expressed as a percentage. Therefore, the correct choice is 'Percent'.

A student was marked tardy 5 different times in a 50 day period. What percent of the time was the student tardy?

Answer explanation

The student was tardy 5 times in a 50 day period. To find the percentage, we know that our part was 5 and our whole is 50.

There are 8 local little league teams. Twenty-five percent of them have players under the age of 7. How many teams have players under the age of 7?

Are we looking for the part, whole or percent?

• Part

• Whole

• Percent

Answer explanation

In the question, we are asked to find out how many teams have players under the age of 7. This is a part of the total number of teams. Therefore, we are looking for the 'Part' of the whole, which is the correct answer.

Tags

CCSS.6.RP.A.3C

There are 8 local little league teams. Twenty-five percent of them have players under the age of 7. How many teams have players under the age of 7?

Answer explanation

The question states that there are 8 local little league teams and 25% of them have players under the age of 7. To find out how many teams have players under the age of 7, we need to calculate 25% of 8. The result is 2, which is the correct answer.

Tags

CCSS.6.RP.A.3C