it

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popolare Word Problems >

Marge is twice as old as Consuelo. The sum of their ages seven years ago was 13. How old are they now?

Soluzione

M a r g e i s tw i ce a s o l d a s C o n s u e l o . T h e s u m o f t h e i r a g es se v e n ye a rs a g o w a s 13. Ho w o l d a re t h ey n o w ?

Soluzione

Consuelo^{'} s age is : 9

Marge^{'} s age is : 18

Fasi della soluzione

Translate the problem into an equation:

2 x - 7 + x - 7 = 13

Risolvi per

x, 2 x - 7 + x - 7 = 13 : x = 9

Trova age

Consuelo^{'} s age is : 9

Marge^{'} s age is : 18

Esempi popolari

The sum of the ages of John and Mary is 32. Four years ago, John was twice as old as Mary.The sum of the ages of a father and son is 56. Four years ago, the father was 3 times as old as the son.The sum of Jill and Aaron's age is 60. In three years, Jill will be twice as old Aaron . How old is Jill now?James is 7 years older than Laurel. James will be 2 times as old as Laurel next year. How old is Laurel?A pitcher is 30 years old, and a vase is 22 years old. How many years ago was the pitcher twice as old as the vase?