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Популярное Word Problems >

Amy is 11. David is 27 years older than Amy. James is 269 years older than Amy though. Beth is a quarter of the age of Amy, David, and James combined. How old is Beth?

Решение

A m y i s 11. D a v i d i s 27 ye a rs o l d er t han A m y . J am es i s 269 ye a rs o l d er t han A m y t h o ug h . B e t h i s a q u a r t er o f t h e a g e o f A m y, D a v i d, an d J am es co mbin e d . Ho w o l d i s B e t h ?

Решение

Beth^{'} s age is : 9 \frac{1}{2}

Шаги решения

Translate the problem into an equation:

x - 27 = 11

Решите для

x, x - 27 = 11 : x = 38

Найдите Beth's age

: 9 \frac{1}{2}

Beth^{'} s age is : 9 \frac{1}{2}

Популярные примеры

Twice a number less eight is equal to one more than three times the number.If 13 is subtracted from a certain number x, the result is 27. Find the number.three added to a number is twelve The разность of three times a number and six is nine find the side of a square whose площадь is 121cm^2