Question 1197209: Please help me solve this equation: Jimmys mother is 42 years old now. 7 years ago, she was 5 times as old as jimmy. Find the age of jimmy now.
Found 3 solutions by greenestamps, josgarithmetic, ikleyn:
Answer by greenestamps(13200)   (Show Source):
You can put this solution on YOUR website!
(1) Subtract 7 from her current age to find her age 7 years ago.
(2) Divide that by 5 to find Jimmy's age 7 years ago.
(3) Add 7 to his age 7 years ago to get his age now.
Answer by josgarithmetic(39620)  (Show Source):
You can put this solution on YOUR website! -------------------------------------------------------------------------
Jimmy's mother is 42 years old now. SEVEN years ago, she was 5 times as old as Jimmy. Find the age of Jimmy now.
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Mother, j+42 42
Jimmy, j
Description:   , ASSUMING the sentence means, both their ages seven years ago.
Simple arithmetic from there.
Answer by ikleyn(52800)  (Show Source):
You can put this solution on YOUR website! .
Jimmys mother is 42 years old now. 7 years ago, she was 5 times as old as jimmy.
Find the age of jimmy now.
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Equations in the post by @josgarithmetic are incorrect and will lead you to NOWHERE.
I came to bring a correct solution.
Write equation as you read the problem
42 - 7 = 5*(j-7).
Simplify and find j, Jimmy's age now
35 = 5*(j-7)
7 = j-7
14 = j
ANSWER. Jimmy is 14 years old.
Solved.
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