es

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

mother is twice as old as her daughter now,:but 10 years ago, she was 3 times as old as her:daughter. Find their ages at present.

Solución

mother is twice as old as her daughter now, :but 10 years ago, she was 3 times as old as her:daughter. Find their ages at present.

Solución

Daughter^{'} s age is : 20

Mother^{'} s age is : 40

Pasos de solución

Translate the problem into an equation:

2 x - 10 = 3 (x - 10)

Resolver para

x, 2 x - 10 = 3 (x - 10) : x = 20

Hallar age

Daughter^{'} s age is : 20

Mother^{'} s age is : 40

Ejemplos populares

resolver para The sum of 3 times a number and 5 is equal to 9.Darrell opened a savings account and deposited 600.00 as principal. The account earns 13% interest, compounded annually. What is the balance after 7 years?Madelyn opened a savings account and deposited 2,000.00 as principal. The account earns 3% interest, compounded quarterly. What is the balance after 5 years?the sum of two consecutive odd integers is-120 Diane is saving up money to buy a car. Diane puts 9,308.00 into an account which earns 12% interest, compounded quarterly. How much will she have in the account after 4 years?