SOLUTION: Alec is 43. Hayley is 10 years older than Marcy and 4 years older than Alec. How old is Marcy?

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Question 1161185: Alec is 43. Hayley is 10 years older than Marcy and 4 years older than Alec. How old is Marcy?
Found 3 solutions by josgarithmetic, 131423324, ikleyn:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Follow exactly as written.
Alec          43
Hayley        43+4=47
Marcy         47-10=37

Marcy is 37.

Answer by 131423324(3) About Me  (Show Source):
You can put this solution on YOUR website!
Alec= 43
Hayley= Marcy +10
=Alec +4

So, answer 37.

Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.

Follow this sequence of steps 

    Alec (given)  ---->  Hayley (4 years older than Alec)  ---->  Marcy  (10 years younger than Hayley).

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Establishing a sequence of steps is a major and a key part of the solution.

Since other posts do not show the sequence to you,  they weight  NOTHING.