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BECE Mathematics 2021 Paper

Question : 34

Total: 40

Solution:

Concept:

Profit is the difference between total selling price and total cost price.

Explanation:

Cost price of 1 tuber is GH₵

n

For 100 tubers, total cost price is

100 \times n = 100n

Selling price of 1 tuber is GH₵

m

For 100 tubers, total selling price is

100 \times m = 100m

Profit = Total selling price

-

Total cost price.

So, profit

= 100m - 100n

Factor out

100

: profit

= 100(m - n)

Answer:

GH₵

100(m - n)

Correct option: A.

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