ru

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Популярное Word Problems >

joanne is 3 years older than amy . three times joannes age is 15 years more than twice amy age.how old are joanne and amy

Решение

j o ann e i s 3 ye a rs o l d er t han am y . t h ree t im es j o ann es a g e i s 15 ye a rs m ore t han tw i ce am y a g e . h o w o l d a re j o ann e an d am y

Решение

Joanne^{'} s age is : 9

Amy^{'} s age is : 6

Шаги решения

Translate the problem into an equation:

3 x = 15 + 2 (x - 3)

Решите для

x, 3 x = 15 + 2 (x - 3) : x = 9

Найдите age

Joanne^{'} s age is : 9

Amy^{'} s age is : 6

Популярные примеры

Janice puts 10,000.00 into an account to use for school expenses. The account earns 1% interest, compounded monthly. How much will be in the account after 6 years?the product of two consecutive integers An experiment consists of dealing 4 cards from a standard 52-card deck. What is the probability of being dealt exactly 2 face cardsHow much would you need to deposit in an account now in упорядочить to have 2000 in the account in 15 years? Assume the account earns 7% interest compounded monthly.The denominator of a fraction is three more than twice the numerator. If both numerator and denominator are decreased by one, the simplified result is 7/16 . Find the original fraction.