julie is 25 years older than kim. 10 years from now julie will be twice as old as kim what are there current ages?

해법

j u l i e i s 25 ye a rs o l d er t han kim . 10 ye a rs f ro m n o w j u l i e w i ll b e tw i ce a s o l d a s kim w ha t a re t h ere c u rre n t a g es ?

Julie^{'} s age is : 40

Kim^{'} s age is : 15

솔루션 단계

Translate the problem into an equation:

x + 10 = 2 (x - 25 + 10)

x

해결 대상

, x + 10 = 2 (x - 25 + 10) : x = 40

age 찾다

Julie^{'} s age is : 40

Kim^{'} s age is : 15