SOLUTION: Matt wants to call his mother long distance. The rate is 80 cents for the first three minutes and 20 cents for each additional minute. How long can he talk for $3.00?
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Question 1008543: Matt wants to call his mother long distance. The rate is 80 cents for the first three minutes and 20 cents for each additional minute. How long can he talk for $3.00? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Matt wants to call his mother long distance. The rate is 80 cents for the first three minutes and 20 cents for each additional minute. How long can he talk for $3.00?
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Equation::
Total time = 3min + x(1min)
Value:: 80 + 20x = 300
20x = 220
x = 12 minutes
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Total time = 3min + 12min = 15 min
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Cheers,
Stan H.
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