two numbers are in ratio 1:1 and their sum is 15. Find the numbers

해법

tw o n u mb ers a re in r a t i o 1 : 1 an d t h e i r s u m i s 15. F in d t h e n u mb ers

The numbers : 7 \frac{1}{2}, 7 \frac{1}{2}

솔루션 단계

Represent the numbers in ratio 1:1 with

x

x

x

Write an equation for the sum:

x + x = 15

x

해결 대상

, x + x = 15 : x = \frac{15}{2}

x = \frac{15}{2}

x = \frac{15}{2}

부적절한 분수를 혼합 숫자로 변환:

\frac{15}{2} = 7 \frac{1}{2}

부적절한 분수를 혼합 숫자로 변환:

\frac{15}{2} = 7 \frac{1}{2}

The numbers : 7 \frac{1}{2}, 7 \frac{1}{2}