neilfatih neilfatih

28-02-2021
Mathematics

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I WILL GIVE BRAINLIEST By what percent will the product of two numbers change if one of them increased by 20% and the other decreased by 20%? I already know that it becomes smaller but the number I don't know! Please help, and show work

Respuesta :

28-02-2021

Answer:

Step-by-step explanation:

%change=100(final-initial)/initial

%change=100(1.2(0.8)ab-ab)/ab

%change=100(.96-1)

%change=-4%

So the product is decreased by four percent.

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