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Popolare Word Problems >

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

Soluzione

F in d t h e or i g ina l cos t o f t h e p r i ce o f a b oo k w hi c h ha s b ee n in cre a se d in p r i ce b y 50% an d i s n o w b e in g so l d f or $67.50

Soluzione

Amount after addition : 101.25

Fasi della soluzione

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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