ru

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Популярное Word Problems >

Bill is four times as old as Lily. Two years from now, Bill will be nine times as old as Lily was two years ago. Find their present ages.

Решение

B i ll i s f o u r t im es a s o l d a s L i l y . Tw o ye a rs f ro m n o w, B i ll w i ll b e nin e t im es a s o l d a s L i l y w a s tw o ye a rs a g o . F in d t h e i r p rese n t a g es .

Решение

Lily^{'} s age is : 4

Bill^{'} s age is : 16

Шаги решения

Translate the problem into an equation:

4 x + 2 = 9 (x - 2)

Решите для

x, 4 x + 2 = 9 (x - 2) : x = 4

Найдите age

Lily^{'} s age is : 4

Bill^{'} s age is : 16

Популярные примеры

The radius of a circle is 19 in. Find its окружность in terms of pipi.The radius of a окружность is 5 ft. Find its area in terms of pipi.The площадь of the square pool on Mr. Carr's vacation was 225 ft2. How long was one side of the pool?Two times the sum of a number and 3 equals 4 A number is six times another number. Their sum is 28. What are the numbers?