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Korolek [52]
3 years ago
14

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
1 answer:
weeeeeb [17]3 years ago
7 0
We can create an equation to find the total cost of anyone who uses the car wash:

\sf y=5.09+0.60x

Where 'y' is total cost and 'x' is the minutes they spent washing the car. Plug in what we know:

\sf y=5.09+0.60(9)

Multiply:

\sf y=5.09+5.40

Add:

\sf y=\boxed{\sf \$10.49}

So she was charged $10.49.
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