SOLUTION: Billy bought a doughnut for x pesos and coffee for y pesos. The total amount he spent is 30 pesos.

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Question 1185704: Billy bought a doughnut for x pesos and coffee for y pesos. The total amount he spent is 30 pesos.
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
You didn't post a question.
Assuming that is all he bought, all we can say is x + y = 30