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MathematicsUNILORIN Post UTME

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Earlier discussion

7 older comments kept for context.

Sam

The question should be find the PROFIT and the SELLING PRICE
NOT find the ACTUAL PRICE and SELLING PRICE because the ACTUAL PRICE is #4

Alliu Mustapha

Why is it that the actual price is -4, Not +4 ?
Please I just want to know

Bukolaforlife Bakare

I still don't understand this😓

Sam

The question should be find the PROFIT and the SELLING PRICE
NOT find the ACTUAL PRICE and SELLING PRICE because the ACTUAL PRICE is #4

Ismail Aishat

Profit=[(selling price - cost price)÷cost price] × 100

Sharry Savage

Thanks

Timilehin Olushoto

Sp=x
cp=4
%=20
(x-4)/4*100=20
(x-4)/4=0.2
x-4=0.8
x=4+0.8
x=4.8
SP=4.8
AP=4.8-4=0.80k