Question

By what percent will the product of two numbers change if one of them increased by 20% and the other decreased by 20%?

Answer 1

x,y: product = 1.00xy

1.2x,0.8y: product = 1.2x*0.8y=0.96xy

Percent change: ((0.96xy)-(1.00xy))/(1.00xy) = -4%

Answer 2

Answer:

It will become 4% smaller

Step-by-step explanation:

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