vi

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Phổ biến Word Problems >

amy is 9 years older than beth. the product of their ages is 630. what is their combined total age

Lời Giải

am y i s 9 ye a rs o l d er t han b e t h . t h e p ro d u c t o f t h e i r a g es i s 630. w ha t i s t h e i r co mbin e d t o t a l a g e

Lời Giải

Amy^{'} s age is : 30

Beth^{'} s age is : 21

Các bước giải pháp

Translate the problem into an equation:

x (x - 9) = 630

Giải

x, x (x - 9) = 630 : x = 30, x = - 21

Tìm age

Amy^{'} s age is : 30

Beth^{'} s age is : 21

Ví dụ phổ biến

The hiệu between six times a number and five more than four times the number After a 4% discount from the list price, the sale price of a poster was 25.92. What was the list price of the poster?The radius of a circle is 10 in. Find its chu vi in terms of pipi.The sum of 4 consecutive even integers is-28. What is the least of the 4 integers?how much money should be deposited today in an account that earns 2.5% compounded monthly so that it will accumulate to 14000 in 4 years