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인기 있는 Word Problems >

Rosie is four times as old as her son. She is also 24 years older than her son. How old is Rosie's son?

해법

R os i e i s f o u r t im es a s o l d a s h er so n . S h e i s a l so 24 ye a rs o l d er t han h er so n . Ho w o l d i s R os i e^{'} s so n ?

해법

Son^{'} s age is : 8

솔루션 단계

Translate the problem into an equation:

x = 4 x - 24

x

해결 대상

, x = 4 x - 24 : x = 8

Son^{'} s age is : 8

인기 있는 예

a number more than 20 the product of a number and-8 is 72 In 3 years, Farid wants to buy a bicycle that costs 800.00. If he opens a savings account that earns 10% interest compounded continuously, how much will he have to deposit as principal to have enough money in 3 years to buy the bike?WHAT IS THE AREA OF A SQUARE WHOSE PERIMETER IS 48 Isabel is going for a run. She runs at a speed of 4 miles per hour for 6.4 miles. For how many hours does she run?