SOLUTION: What is the formlae for the following:- Mary is 3 yrs younger than Bob who is going to be x years old a year from now. How old is Mary now?
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Question 818129: What is the formlae for the following:- Mary is 3 yrs younger than Bob who is going to be x years old a year from now. How old is Mary now?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What is the formlae for the following:-
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Mary is 3 yrs younger than Bob who is going to be x years old a year from now. How old is Mary now?
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Equations:
m = b-3
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b = x-1
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Substitute and solve for "m":
m = (x-1)-3 = x-4 (Mary's age now)
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Cheers,
Stan H.
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