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20% of 450 is 90 So 80% of 450 will be 360
90%
200% of a number is 90, so 100% of a nubmer is 45, so 45 is 80% 0f a number therfore a number is 45/80*100=225/4
80 + 10 equals 90 so the missing value is zero, ie 80 + 10 = 90 - 0
To find the number that 7200 can be divided by to equal 90, you would perform the division operation 7200 ÷ 90. This results in 80, as 7200 divided by 90 equals 80. Therefore, 7200 divided by 80 equals 90.