The price of Coal being increased by 20%
I reduce the consumption of Coal by 20 %. By
what porcent will my expenses for coal be
increased or decreased
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Answer:
Step-by-step explanation:
let the price of the coal be x
when the price is increased by 20% then the new price of coal = x+20%of x
=x +20x/100
= 120x/100
sorry man i just know this much
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