vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

Marta is 9 years younger than 1/2 William's age. If Marta is 30, how old is William?

Lời Giải

M a r t a i s 9 ye a rs yo u n g er t han \frac{1}{2} Wi ll ia m^{'} s a g e . I f M a r t a i s 30, h o w o l d i s Wi ll iam ?

Lời Giải

William^{'} s age is : 78

Các bước giải pháp

Translate the problem into an equation:

\frac{1}{2} x = 30 + 9

Giải

x, \frac{1}{2} x = 30 + 9 : x = 78

William^{'} s age is : 78

Ví dụ phổ biến

four more than three times a number is greater than twenty-two 3 more than 5 times a number x is 13 2 times the sum of a number and 8 Find the area of a regular hexagon inscribed in circle with a bán kính of 6ft The hiệu of the square of a number and 40 is equal to 3 times that number.