SOLUTION: A plum and a pineapple cost the same as three peaches. Two plums cost the same as a peach. How many plums cost the same as a pineapple?

Question 174622: A plum and a pineapple cost the same as three peaches. Two plums cost the same as a peach. How many plums cost the same as a pineapple?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A plum and a pineapple cost the same as three peaches. Two plums cost the same as a peach. How many plums cost the same as a pineapple?
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plum + pine = 3*peach
2*plum = peach
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Substitute to get:
plum + pine = 3*2plum
plum + pine = 6plum
pine = 5*plums
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Cheers,
Stan H.

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