ru

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Популярное Word Problems >

Mina is twice as old as Marko. The sum of their ages is 45.

Решение

M ina i s tw i ce a s o l d a s M a r k o . T h e s u m o f t h e i r a g es i s 45.

Решение

Marko^{'} s age is : 15

Mina^{'} s age is : 30

Шаги решения

Translate the problem into an equation:

2 x + x = 45

Решите для

x, 2 x + x = 45 : x = 15

Найдите age

Marko^{'} s age is : 15

Mina^{'} s age is : 30

Популярные примеры

The sum of three numbers is 149. The third number is 4 times the second. The first number is 5 more than the second. What are the numbers?61 decreased by twice a number Christine opened a savings account and deposited 100.00. The account earns 1% interest, compounded monthly. If she wants to use the money to buy a new bicycle in 3 years, how much will she be able to spend on the bike?300% of what number is 51 This summer, due to some renovations, a sports club has 63 members. The club's records indicate that this is 25% fewer members than it had last summer. How many members were there last summer?