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If the store has a 20% of sale, what is the original value of the goods she can now buy with a 100 voucher?

Solución

If the store has a 20% of sale, what is the original value of the goods she can now buy with a 100 voucher?

Solución

Amount before addition : 83.33333 \dots

Pasos de solución

Translate the problem into an equation:

100 = x + 0.2 x

100 = x + 0.2 x : x = \frac{250}{3}

\frac{250}{3} = 83.33333 \dots

Amount before addition : 83.33333 \dots

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