All HSPT Math Resources
Example Questions
Example Question #1 : Percentages
What is 32% of 2,000?
Taking 32% of a number is the same as multiplying that number by 0.32. We therefore take the product:
Example Question #2 : Percentages
Which of the following operations is equivalent to taking of a number?
Dividing the number by
Dividing the number by
Moving the decimal point one place to the left, then doubling the result
Dividing the number by
Moving the decimal point one place to the left, then tripling the result
Dividing the number by
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 #3 : Percentages
What percent of 12,000 is 3,300?
28.5%
25%
27.5%
24.5%
26%
27.5%
To find out what percent a part is of a whole , evaluate the expression
Example Question #1 : How To Find The Part From The Whole With Percentage
is of what number?
If is of a number, , then we can set up an equation. First, we convert to a decimal, . Then, we can formulate the equation below.
Solve for by dividing both sides of the equation by .
Example Question #1 : How To Find The Part From The Whole With Percentage
Which is larger?
a. 10% of 90
b. 5% of 160
c. 20% of 50
d. 30% of 40
First find the percentage amount for each choice by multiplying the number by the percentage amount
a.
b.
c.
d.
Then compare the amounts to find the largest.
The answer is (d) 12.
Example Question #1121 : Hspt Mathematics
75 is 60% of what number?
Set up the proportion statement and solve for by cross-multiplying:
Example Question #2 : How To Find The Part From The Whole With Percentage
What is 120% of 120?
Rewrite 120% as a decimal by writing 120 with a decimal point, then shifting it two spaces left:
Multiply this by 120:
Example Question #3 : How To Find The Part From The Whole With Percentage
What is 225% of 225?
Rewrite 225% as a decimal by writing 225 with a decimal point, then shifting it two spaces left:
Multiply this by 225:
Example Question #4 : How To Find The Part From The Whole With Percentage
What is 77% of 77?
Rewrite 77% as a decimal by writing 77 with a decimal point, then shifting it two spaces left:
Multiply this by 77:
Example Question #11 : How To Find The Part From The Whole With Percentage
What is of 3,000?
Set up a proportion, as follows:
Solve for by cross-mutiplying: