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Популярное Word Problems >

Joanne is 3 years older than Amy. Three times Joanne’s age is 15 years more than twice Amy’s age. How old are Joanne and Amy?

Решение

J o ann e i s 3 ye a rs o l d er t han A m y . T h ree t im es J o ann e ’ s a g e i s 15 ye a rs m ore t han tw i ce A m y ’ s a g e . Ho w o l d a re J o ann e an d A m y ?

Решение

Joanne^{'} s age is : 9

Amy^{'} s age is : 6

Шаги решения

Translate the problem into an equation:

3 x = 15 + 2 (x - 3)

Решите для

x, 3 x = 15 + 2 (x - 3) : x = 9

Найдите age

Joanne^{'} s age is : 9

Amy^{'} s age is : 6

Популярные примеры

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