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인기 있는 Word Problems >

Lauren's age is half of Joe's age. Emma is seven years older than Joe. The sum of Lauren, Emma, and Joe's age is 35. How old is Joe?

해법

L a u re n^{'} s a g e i s ha l f o f J o e^{'} s a g e . E mma i s se v e n ye a rs o l d er t han J oe . T h e s u m o f L a u re n, E mma, an d J o e^{'} s a g e i s 35. Ho w o l d i s J oe ?

해법

Joe^{'} s age is : 11 \frac{1}{5}

솔루션 단계

Translate the problem into an equation:

\frac{1}{2} x + x + 7 + x = 35

x

해결 대상

, \frac{1}{2} x + x + 7 + x = 35 : x = \frac{56}{5}

부적절한 분수를 혼합 숫자로 변환:

11 \frac{1}{5}

Joe^{'} s age is : 11 \frac{1}{5}

인기 있는 예

The radius of a 원형 is 6 meters. What is the 원형's area?the sum of two consecutive even integers is 70. find the two integers 12 is 60% of what number thrice a number decreased by 2 exceeds twice the number 구성 단위 Mykala has deposited 5,000 in a bank for 6 years at the interest rate of 5% compounded annually. How much money will she receive at the end of the six years?