What percent of 80 is 90?

112.5%

Step-by-step explanation:

100% = 80 - first, you have to write down, what is 100%

1% = 80/100 - than, you need to find out, what is 1% of 80

1% = 0.8

90/0.8 = 112.5% - last step is dividing 90 by 1% of 80

72 is 90% of 80.

Explanation:

"Percent" or "%" means "out of 100" or "per 100", Therefore 90% can be written as

90

100

.

When dealing with percents the word "of" means "times" or "to multiply".

Finally, lets call the number we are looking for "n".

Putting this altogether we can write this equation and solve for

n

while keeping the equation balanced:

n

=

90

100

*

80

n

=

7200

100

n

=

72