zs

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

受欢迎的 Word Problems >

A man is 26 years older than his son. After 10 years he will be 3 times as old as his son. Find their present ages.

解答

A man i s 26 ye a rs o l d er t han hi s so n . A f t er 10 ye a rs h e w i ll b e 3 t im es a s o l d a s hi s so n . F in d t h e i r p rese n t a g es .

解答

Man^{'} s age is : 29

Son^{'} s age is : 3

求解步骤

Translate the problem into an equation:

x + 10 = 3 (x - 26 + 10)

求解

x, x + 10 = 3 (x - 26 + 10) : x = 29

找到 age

Man^{'} s age is : 29

Son^{'} s age is : 3

流行的例子

Find three consecutive integers whose sum is 498 2.) Translate the following verbal phrase into an algebraic equation: Twelve times a number decreased by 9 is equal to ten times that same number increased by 3 The sum of two numbers is-42 and their 差集 is 52. Find these two numbers?The sum of the squares of two consecutive whole numbers is 61. Find the numbers.An engineer invests 10,000 a year for 20 years into a fund. At the end of the 20 years, how much money is in the fund if the interest rate was 4%?