SOLUTION: Four pairs and seven mangoes cost $47. Each pair cost two dollars less than a mango. What is the cost of three mangoes?

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Question 1005537: Four pairs and seven mangoes cost $47. Each pair cost two dollars less than a mango. What is the cost of three mangoes?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Four pairs and seven mangoes cost $47. Each pair cost two dollars less than a mango. What is the cost of three mangoes?
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Equations:
4p + 7m = 47 dollars
p = m - 2
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Substitute for "p" and solve for "m"::
4(m-2) + 7m = 47
11m - 8 = 47
11m = 55
One mango costs $5.00
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Ans: 3 mangoes cost $15.00
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Cheers,
Stan H.