SOLUTION: A customer at a hardware store brought nails that cost a penny each, hooks that cost a dime each, and electrical tape that cost a half-dollar a roll. If the customer spent exactly
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Question 97847: A customer at a hardware store brought nails that cost a penny each, hooks that cost a dime each, and electrical tape that cost a half-dollar a roll. If the customer spent exactly $5.00 (before tax was added) and purchased 100 items, how many of each item did she buy? Answer by Nate(3500) (Show Source):
You can put this solution on YOUR website! 0.01n + 0.1h + 0.5t = 5
n + h + t = 100
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Solving as n = 100 - h - t with combination -0.09n - 0.09h - 0.09t = -9:
h = 400/9, t = 0, and n = 500/9
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