0
72% of 90 = 80
A percent is 1 part out of 100.
1%isequalto
1
100
or0.01.
Proportions can be used to solve percent problems.
part
whole
=
percent
100
solve
The part is 72.
The percent is 90%.
Let n represent the whole.
Write a proportion to solve for n.
72
n
=
90
100
90n = 72 · 100
90n = 7,200
90n ÷ 90 = 7,200 ÷ 90
n = 80
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What number is halfway between 72 and 108?
It is: (72+108)/2 = 90
What percent of 90 is 72?
90% of 72 = 90% * 72 = 0.9 * 72 = 64.8
What number would complete this pattern 107 98 90 83 77 68 65?
72.......107-98(9) 98-90(8) 90-83(7) 83-77(6) 77-[72](5) 72-68(4) 65
What number between 55 and 101 is a multiple of 6 and 9 and 18?
72 and 90
What is the percent increase of 90 to 72?
72 is an increase of negative 20% compared to 90.
90 is 72 percent of what number?
90
What number is halfway between 72 and 108?
It is: (72+108)/2 = 90
What is 90 is 63?
The number 63 is equal to 90 percent of the number 72.
63 is 90 of what?
The number 63 is equal to 90 percent of the number 72.
What percent of 90 is 72?
90% of 72 = 90% * 72 = 0.9 * 72 = 64.8
What is the number that is between the numbers 72 and 108?
90
What number of 90 equals 80 percent?
72
Why is 18 the greatest common factor of 72 and 90?
Because 18 is the largest number that divides evenly into both 72 and 90.
What number is 24 more than 90-42?
It is: (90-42)+24 = 72
What is a Percent of Decrease in math?
The percent of decrease means "what is the percentage decrease from a larger number to a smaller number?" For example: What is the percentage decrease from 90 to 72? Solution: (90 - 72) / 90 = % 18 / 90 = 1 / 5 = .2 = 20% Check: 90 * .2 = 18 90 - 18 = 72 = true!
What is 90-18?
90-18 = 72
What is the greatest number that can be divided evenly into 36 72 and 90?
18 is.
