SOLUTION: Alex bought 2 lbs of apples and 3 lbs of potatoes and payed $7. Later, Alex bought 1 lb of apples and 3 lbs of potatoes and payed $4. How much does each lb cost. In potatoes and ap

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Question 889061: Alex bought 2 lbs of apples and 3 lbs of potatoes and payed $7. Later, Alex bought 1 lb of apples and 3 lbs of potatoes and payed $4. How much does each lb cost. In potatoes and apples.
Please solve asap! :) thank you.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2a+3p=7
1a+3p=4
subtract
a=3
3p=1
p=1/3 dollar