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Find the original cost of the price of a book which has been increased in price by 50% and is now being sold for\$67.50

Solution

Find the original cost of the price of a book which has been increased in price by 50% and is now being sold for$67.50

Solution

Amount after addition : 101.25

Solution steps

Translate the problem into an equation:

x = 67.5 + 0.5 \cdot 67.5

x = 67.5 + 0.5 \cdot 67.5 : x = 101.25

Amount after addition : 101.25

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