
Tracey M. answered 07/01/18
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Hi Jack,
You will have 2 equations with 2 unknowns and can use substitution to solve
X + Y = 34
X = 2Y -5
substitute X
(2Y - 5) + Y = 34
3Y - 5 = 34
3Y = 39
Y = 13
X + 13 = 34
X = 21
The watermelons weigh 13 pounds and 21 pounds