SOLUTION: Pedro goes to the market and buys a total of 32 plums and peaches for $52. A plum costs $2 and a peach costs $1. How many plums did Pedro buy?

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Question 258974: Pedro goes to the market and buys a total of 32 plums and peaches for $52. A plum costs $2 and a peach costs $1. How many plums did Pedro buy?
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
Let A = plumb and B = peach.
From above, we get two equations
(i) A+%2B+B+=+32
(ii) 2A+%2B+B+=+52
Notice, by adding an A from (i) to (ii) we add 20.
So, A = 20, B = 12
20 plumbs.