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WAEC Mathematics 2020 Paper

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Question : 42

Total: 48

A woman received a discount of 20% on a piece of cloth she purchased from a shop. If she paid \$525.00, what was the original price?

\$675.25
\$660.25
\$656.25
\$616.25

Solution:

$\frac{20}{100}$ x $x$ = $x - 525$

$\frac{x}{5} = x$ - 535

x = 5x - 2625

$\frac{4x}{4} = \frac{2625}{4}$

x = \$656.25

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