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A self-serve car wash charges $5.09 to use its facilities, plus an additional $0.60 for each minute the customer is at the self-serve car wash. If Tiffany was at the car wash fo…
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A self-serve car wash charges $5.09 to use its facilities, plus an additional $0.60 for each minute the customer is at the self-serve car wash. If Tiffany was at the car wash fo…
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Jan 15, 2019
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A self-serve car wash charges $5.09 to use its facilities, plus an additional $0.60 for each minute the customer is at the self-serve car wash. If Tiffany was at the car wash for 9 minutes, how much was she charged?
A. $5.40
B. $10.49
C. $14.09
D. $5.69
Mathematics
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MD Shahid Khan
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MD Shahid Khan
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We can create an equation to find the total cost of anyone who uses the car wash:
Where 'y' is total cost and 'x' is the minutes they spent washing the car. Plug in what we know:
Multiply:
Add:
So she was charged $10.49.
Zapotec
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Jan 21, 2019
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Zapotec
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