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Example Questions
Example Question #581 : Concepts
What is of
?
One way to figure out what number is a percentage of a larger number is to convert the percent into a decimal and multiply it by the whole number. Since is equal to
, multiply this by
.
is your answer.
Example Question #1 : How To Find The Whole From The Part With Percentage
of what number is
?
Taking of a number is the same as multiplying that number by
. We can find our number, therefore, by dividing
by
:
Example Question #13 : Percentage
What is of
?
Rewrite as a decimal by writing
with a decimal point, then shifting it two spaces left:
Multiply this by :
Example Question #581 : Concepts
Convert into a decimal.
In order to convert from a percentage to a decimal, simply remove the percentage and move the decimal place back two spaces or divide by 100.
The decimal conversion is:
Example Question #164 : Grade 7
What number increased by 25% is equal to 7?
To increase a number by 25% is to take
of the number, or, equivalently, multiply it by
.
Therefore, we divide 7 by :
, so
.
Example Question #165 : Grade 7
What number decreased by 25% is equal to 7?
To decrease a number by 25% is to take
of the number, or, equivalently, multiply it by
.
Therefore, we divide 7 by :
, so
.
Example Question #1184 : Hspt Mathematics
What is increased by 30%?
Increasing a number by 30% is equivalent to taking 130% of a number, which in turn is equivalent to multiplying it by
.
increased by 30% is the product of
and
:
, so this quantity is equal to
, the correct answer.
Example Question #591 : Arithmetic
What is decreased by 40%?
Decreasing a number by 40% is equivalent to taking 60% of a number, which in turn is equivalent to multiplying it by
.
decreased by 40% is the product of
and
:
, so the correct response is
.
Example Question #1181 : Hspt Mathematics
6 decreased by what percent is ?
Select the closest answer.
The difference of 6 and is
.
Therefore, 6 is being decreased by ; to find out what percent this is of 6, we calculate:
, so
.
The answer that comes closest among the four choices is 20%.
Example Question #591 : Concepts
12 increased by what percent is ?
Select the closest answer.
The difference of and 12 is
.
This represents an increase of
, so this is
.
Tthe response closest to the correct percent is 30%.
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