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BECE Mathematics 2017 Paper

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Question : 13

Total: 40

What is the total cost of

x

shirts at GH₵ 5.00 each and

y

shirts at GH₵ 1.50 each?

$5x+1.5y$
$5y+1.5x$
$5(x+1.5y)$
$1.5(5x+y)$

Solution:

Total cost for a particular number of shirts

=

Number of shirts

\times

Cost per shirt

Total cost for

x

number of shirts which cost GH₵ 5.00 each

=x \times \text{GH₵}\,5.00 = 5x

Total cost for

y

number of shirts which cost GH₵ 1.50 each

=y \times \text{GH₵}\,1.50 = 1.5y

Total cost for all the shirts

=5x+1.5y

NOTE: each means per shirt

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