HSPT Math : Percentages

Study concepts, example questions & explanations for HSPT Math

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Example Questions

Example Question #51 : Percentages

Convert  into a decimal.

Possible Answers:

Correct answer:

Explanation:

To covert a percent to a decimal, simply remove the percent sign and divide by 100.

Example Question #52 : Percentages

What percentage of  is ?

Possible Answers:

Correct answer:

Explanation:

Set up an equation that represents this scenario.  The question asks what percent of a number is another number.  Keep in mind, the percent of a number is over 100.  

 or 

We can reduce  to  by dividing both the numerator and the denominator by 

Now we want to isolate the x by itself. First we multiply each side by 

Then divide each side by .

Check:  Does  of  equal ?

The correct answer is:  

Example Question #52 : Percentages

Add the percentages and find the answer in decimal:  

Possible Answers:

Correct answer:

Explanation:

Add the percentages.

To turn the answer into decimal form, simply divide by 100 or move the decimal place back two units to the left and remove the percentage sign.

The answer is:  

Example Question #51 : Percentages

What is  of ?

Possible Answers:

Correct answer:

Explanation:

Rewrite  as a fraction.

Multiply this value with two.

Example Question #55 : Percentages

Add the percentages:  

Possible Answers:

Correct answer:

Explanation:

Add the ones digit.

The ones digit is two.

Carry over the tens digit since this number is ten or greater.

Add the tens digits with the carryover.

The hundreds and the tens digit is one.

The answer is: 

Example Question #53 : Percentages

What is  of ?

Possible Answers:

Correct answer:

Explanation:

Six percent is six out of a hundred parts.

Multiply this with 30.

Example Question #51 : Percentages

Possible Answers:

Correct answer:

Explanation:

Rewrite  as a decimal or fraction.

Multiply either value with .

Example Question #581 : Arithmetic

What percentage of  is ?

Possible Answers:

Correct answer:

Explanation:

Rewrite the question in parts. A percentage is something out of .

Solve for .

Example Question #31 : Percentage

 is  of what number?

Possible Answers:

Correct answer:

Explanation:

 is  of a number we will call ; alternatively,  multiplied by  is equal to . Set up this equation and solve for :

Example Question #2041 : Ssat Middle Level Quantitative (Math)

 is what percent of ?

Possible Answers:

Correct answer:

Explanation:

Set up the proportion statement, where  is our answer, and solve:

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