2/9=x/72 144=9x
16=x
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X = 32
n/18 = -72 we can solve for n by multiplying both sides by 18 which shows n = (-72)(18) = -1296
Inverse proportion implies xy = c where c is the constant of [inverse] proportionality. x = 2 and y = 36 implies xy = 72 = c So the relationship is xy = 72 Then, if x = 4, y = 72/x = 72/4 = 18
To find out what percent 72 is of 160, you can set up a proportion: 72 is to 160 as x is to 100. This can be written as 72/160 = x/100. Cross multiply to get 160x = 7200. Divide by 160 to solve for x, which equals 45. Therefore, 72 is 45% of 160.
one over four equals eighteen over seventy-two