vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

In 5 years time Pam will be twice as old as Sam:was 2 years ago. Pam is 8 years older than Sam.:How old is Sam?

Lời Giải

I n 5 ye a rs t im e P am w i ll b e tw i ce a s o l d a s S am : w a s 2 ye a rs a g o . P am i s 8 ye a rs o l d er t han S am . : Ho w o l d i s S am ?

Lời Giải

Sam^{'} s age is : 17

Các bước giải pháp

Translate the problem into an equation:

x + 5 = 2 (x - 8 - 2)

Giải

x, x + 5 = 2 (x - 8 - 2) : x = 25

Tìm Sam's age

: 17

Sam^{'} s age is : 17

Ví dụ phổ biến

A number is six times another number. Their sum is 21 The diameter of a circle is 9 ft. Find its chu vi in terms of pipi the sum of three consecutive odd integers is 147 find the integers "14 less than twice a number is at most 50."a number is more than 45