ja

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

人気のある Word Problems >

A mother is currently 7 times older than her son. In 3 years time, she will be 5 times older than her son.

解

A m o t h er i s c u rre n tl y 7 t im es o l d er t han h er so n . I n 3 ye a rs t im e, s h e w i ll b e 5 t im es o l d er t han h er so n .

解

Boy^{'} s age is : 6

Mother^{'} s age is : 42

解答ステップ

Translate the problem into an equation:

7 x + 3 = 5 (x + 3)

x

を解く

7 x + 3 = 5 (x + 3) : x = 6

発見する age

Boy^{'} s age is : 6

Mother^{'} s age is : 42

人気の例

Twenty is the product of 4 and a number The perimeter of a rectangular painting is 242cm :If the width of the painting is 55cm , what is its length?mary skates at a circular rink that has a 半径 of 5 yards. what is the area of the skating rink The diameter of a circle is 20 m. Find the 円周 to the nearest tenth.the sum of three consecutive even numbers is equal to 72. what are the numbers?