de

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Beliebt Word Problems >

Alvin's age is two times Elga's age. The sum of their ages is 87. What is Elga's age?:years old

Lösung

A l v i n^{'} s a g e i s tw o t im es El g a^{'} s a g e . T h e s u m o f t h e i r a g es i s 87. Wha t i s El g a^{'} s a g e ? : ye a rs o l d

Lösung

Elga^{'} s age is : 29

Alvin^{'} s age is : 58

Schritte zur Lösung

Translate the problem into an equation:

2 x + x = 87

Löse nach

x, 2 x + x = 87 : x = 29

Finde age

Elga^{'} s age is : 29

Alvin^{'} s age is : 58

Beliebte Beispiele

The differenz between a number and eighteen is seven Amelia's investment of \3660 earns interest at 2.1% per year compounded monthly over 8 years. What is the amount of interest earned? nearest cent Raymond earned some money doing odd jobs last summer and put it in a savings account that earns 3% interest compounded annually. After 5 years, there is 100.00 in the account. How much did Raymond earn doing odd jobs?Aiden puts 4,131.00 into an account to use for school expenses. The account earns 2% interest, compounded monthly. How much will be in the account after 10 years?The durchmesser of a circle is 18 feet. What is the area?