ko

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

인기 있는 Word Problems >

Jack is twice as old as Lacy. In three years the sum of their ages will be 54.How old are they now?

해법

J a c k i s tw i ce a s o l d a s L a cy . I n t h ree ye a rs t h e s u m o f t h e i r a g es w i ll b e 54. Ho w o l d a re t h ey n o w ?

해법

Lacy^{'} s age is : 16

Jack^{'} s age is : 32

솔루션 단계

Translate the problem into an equation:

2 x + 3 + x + 3 = 54

x

해결 대상

, 2 x + 3 + x + 3 = 54 : x = 16

age 찾다

Lacy^{'} s age is : 16

Jack^{'} s age is : 32

인기 있는 예

Maraheb’s parents invested 14,000 at 3% interest compounded quarterly. How much money will be in the account after 10 years The square root of the sum of two consecutive integers is 7. Find the two integers.Find the area of a circle with a 지름 of 16.the sum of two numbers is 25. Their 차이 is 7.Rick inherited some money from his grandfather and put it in a bank account that earns 4% interest compounded annually. After 7 years, Rick had 700.00 in the bank account. How much interest did he earn? write answer with three decimals