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7) A photo booth charges a $500 fee for two hours at a party, plus $50 per additional hour. Cindy doesn't want to spend more than $700 on the photo booth rental. What is the maximum number of additional hours (beyond the first two) that Cindy can rent the photo booth for her party? A) 3 B) 4 C) 5 D) 6

Respuesta :

bawbdmo

Since the photo booth charges a $500 fee for two hours at the party and an additional 50 dollars per hour, we have:

50x+500=C

Where x is the hours stayed and C is the total cost. Since Cindy doesn't want to spend more than 700 dollars, we have:

[tex] 50x+500=700 \implies\\
50x=200\implies\\
x=4 [/tex]

So she spent an additional 4 hours on the rental.
50 times 4 is 200. 200 in additional hours + the 500 for the rental is 700. Therefore the answer is B) 4.

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