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Popolare Word Problems >

Andrew is 138 years old .erica is 21 years old . how many years until Andrew age is 4 times erica age

Soluzione

A n d re w i s 138 ye a rs o l d . er i c a i s 21 ye a rs o l d . h o w man y ye a rs u n t i l A n d re w a g e i s 4 t im es er i c a a g e

Soluzione

Number of years from now : 18

Fasi della soluzione

Translate the problem into an equation:

4 (21 + x) = 138 + x

Risolvi per

x, 4 (21 + x) = 138 + x : x = 18

Number of years from now : 18

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