SSAT Upper Level Math : Rational Numbers

Study concepts, example questions & explanations for SSAT Upper Level Math

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Example Questions

Example Question #3 : Fractions And Percentage

In a class of  students,  of them said they have a brother. What percentage of the class has a brother?

Possible Answers:

Correct answer:

Explanation:

The question is asking you to convert  to a percent.

Percent also means out of one hundred. Set up the following ratio to find the percent value.

Now, solve for , which will be the percent value because in the ratio we set up,  is the numerator of a fraction with a denominator of .

Example Question #471 : Number Concepts And Operations

In a group of  athletes,  stated that they received at least some form of injury in the past year. What percentage of the athletes received some form of injury in the past year?

Possible Answers:

Correct answer:

Explanation:

The question is asking you to find the percentage equivalent of .

Percent also means out of one hundred. Set up the following ratio to find the percent value.

Now, solve for , which will be the percent value because in the ratio we set up,  is the numerator of a fraction with a denominator of .

Example Question #411 : Rational Numbers

In a high school with  students,  of the students are freshmen. What percentage of the school population is freshmen?

Possible Answers:

Correct answer:

Explanation:

The question is asking you to find the percentage equivalent of .

Percent also means out of one hundred. Set up the following ratio to find the percent value.

Now, solve for , which will be the percent value because in the ratio we set up,  is the numerator of a fraction with a denominator of .

Example Question #1 : How To Find A Fraction From A Percentage

Which of the following operations is equivalent to taking  of a number?

Possible Answers:

Moving the decimal point one place to the left, then tripling the result

Moving the decimal point one place to the left, then doubling the result

Dividing the number by

Dividing the number by

Dividing the number by

Correct answer:

Dividing the number by

Explanation:

Let's just pick a number at random, for example

of this number is , which is  divided by .

We can also work by simplifying the fractional form of . A percent can be written as the number divided by .

We can simplify this fraction: .

Either way, we get the same answer.

Example Question #2 : How To Find A Fraction From A Percentage

Convert  into a fraction.

Possible Answers:

Correct answer:

Explanation:

Put the number over  and drop the percent sign. Then, reduce to simplest form.

Example Question #3 : How To Find A Fraction From A Percentage

Convert  into a fraction.

Possible Answers:

Correct answer:

Explanation:

Put the number over  and drop the percent sign. Then, reduce to simplest form.

Example Question #4 : How To Find A Fraction From A Percentage

Convert  into a fraction.

Possible Answers:

Correct answer:

Explanation:

Put the number over  and drop the percent sign. Then, reduce to simplest form.

Example Question #4 : How To Find A Fraction From A Percentage

What is  as a fraction?

Possible Answers:

Correct answer:

Explanation:

Put the number over  and drop the percent sign.

Multiply the numerator and denominator by  to get rid of the decimal.

Finally, reduce the fraction to get it in simplest form.

Example Question #476 : Number Concepts And Operations

What is  as a fraction?

Possible Answers:

Correct answer:

Explanation:

Put the number over  and drop the percent sign.

Multiply the numerator and denominator by  to get rid of the decimal.

Finally, reduce the fraction to get it in simplest form.

Example Question #6 : How To Find A Fraction From A Percentage

What is  as a fraction?

Possible Answers:

Correct answer:

Explanation:

Put the number over  and drop the percent sign.

Multiply the numerator and denominator by  to get rid of the decimal.

Finally, reduce the fraction to get it in simplest form.

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