The price of Coal being increased by 20%
I reduce the consumption of Coal by 20 %. By what percent will my expenses for coal be increased or decreased.
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Answered by
3
Answer:
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Step-by-step explanation:
CP of coal = Rs x per kg
Quantity of coal consumed = m kg
Expenditure on coal = Rs mx
Increased CP of coal = Rs 1•2x
Increased over head expenditure = Rs 1•2mx
Let the reduced consumption of coal = m1 kg
Such that 1•2m1x = Mx
Or m1 = m/1•2
Reduction in consumption = m - m1 = 0•2m/1•2
Percentage reduction = 2/12*100 = 50/3 = 16•67%
Answered by
13
Answer:
The ans is 4% decrease.
Step-by-step explanation:
The ans is above.
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