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Популярное Word Problems >

Diane is 23 years older than her daughter Amy. In 6 years, Diane will be twice as old as Amy.

Решение

D ian e i s 23 ye a rs o l d er t han h er d a ug h t er A m y . I n 6 ye a rs, D ian e w i ll b e tw i ce a s o l d a s A m y .

Решение

Diane^{'} s age is : 40

Amy^{'} s age is : 17

Шаги решения

Translate the problem into an equation:

x + 6 = 2 (x - 23 + 6)

Решите для

x, x + 6 = 2 (x - 23 + 6) : x = 40

Найдите age

Diane^{'} s age is : 40

Amy^{'} s age is : 17

Популярные примеры

John is four times as old as Martha. Five years ago, the sum of their ages was 50.Tim is 5 years older than JoAnn. Six years from now, the sum of their ages will be 79.Jack is twice as old as Lacy. In three years, the sum of their ages will be 54.Monica is 4 years older than Tom. The sum of their ages is 40. How old is Monica?Craig is 4 years older than Bob. A year ago Craig was twice as old as Bob. How old is Bob today?