SOLUTION: If Alex gives Bob a penny, Bob will have three times as many pennies as Alex has. If Bob gives Alex a penny, Bob will have twice as many pennies as Alex has. How many pennies does

Question 1061342: If Alex gives Bob a penny, Bob will have three times as many pennies as Alex has. If Bob gives Alex a penny, Bob will have twice as many pennies as Alex has. How many pennies does Bob currently have?
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
AleX, x
BoB, b

x-1 and b+1;

b-1 and x+1;

E1-E2:

-----------pennies that Alex has originally.

-----------pennies Bob originally has.
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