ACT Math : How to find percentage

Study concepts, example questions & explanations for ACT Math

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Example Questions

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Example Question #171 : Arithmetic

What is  of ?

If necessary, round to the nearest percentage.

Possible Answers:

Correct answer:

Explanation:

To calculate the percentage of a percent, convert both percentages to decimals and multiply:

Example Question #22 : Other Percentage

What percentage of  is ? Round your answer to the nearest whole percentage.

Possible Answers:

Correct answer:

Explanation:

To find what percentage  is of  simply divide  by . Thus we see that 

Example Question #23 : Other Percentage

Question 20

If Abraham’s collection in July is 40% of his collection at the end of December, how many stamps must have he obtained in December?

Possible Answers:

Correct answer:

Explanation:

Abraham’s collection in July is 97 stamps. If that is 40% of his collection at the end of the year, his album must have  stamps.

Thus, he would have to get stamps to have that happen.

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