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?
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Question 117934: 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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Let plum cost be "m"; Let peach cost be "p"; Let pineapple cost be"n".
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EQUATIONS:
Find n in terms of m
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m+n = 3p
2m = p
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Substitute 2m in place of p to get:
m+n = 3(2m)
m+n = 6m
n = 5m
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Conclusion: 5 plums cost the same as one pineapple.
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Cheers,
Stan H>
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