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شائع Word Problems >

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

الحلّ

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

الحلّ

Number of years from now : 18

خطوات الحلّ

Translate the problem into an equation:

4 (21 + x) = 138 + x

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

حلّ لـ:

x = 18

Number of years from now : 18

أمثلة شائعة

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