de

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Beliebt Word Problems >

John is 81 years older than Peter. In 3 years, John will be 4 times as old as Peter. How old is Peter now?

Lösung

J o hn i s 81 ye a rs o l d er t han P e t er . I n 3 ye a rs, J o hn w i ll b e 4 t im es a s o l d a s P e t er . Ho w o l d i s P e t er n o w ?

Lösung

Peter^{'} s age is : 24

Schritte zur Lösung

Translate the problem into an equation:

x + 3 = 4 (x - 81 + 3)

Löse nach

x, x + 3 = 4 (x - 81 + 3) : x = 105

Finde Peter's age

: 24

Peter^{'} s age is : 24

Beliebte Beispiele

The ages (in months) at which 30 children were first enrolled in a preschool have been recorded, and th If a 60 waffle iron is sold at 30% discount, what is the reduced price?Twice a number is 30 Dave puts 4,205.00 into an account to use for school expenses. The account earns 7% interest, compounded monthly. How much will be in the account after 8 years?A spherical snowball is melting. Its radius is decreasing at 0.2 centimeters per hour when the radius is 15cm. How fast is the volume changing at this time at this time?