Two positive integers x and y are inversely proportional .If x increases by 20%,then the percentage decrease in y is
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If the two integers x and y are inversely proportional, their product is constant.
x * y = constant
If x is increased by 20%, then we have
1.2x * y’ = constant
Solving the two equation,
x * y = 1.2x * y’
y’ = y/1.2
y’ = 0.83 * y
There is a 17 percent reduction in y.
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