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The formula c=5p+10 relates c, the total cost in dollars of hosting a birthday party at a movie theater to p, the number of people attending. A. Solve the formula for p B. If Brook's parents are willing to spend $400 for her party, how many people can attend?

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JeanaShupp

Answer:78 people can attend the party.

Step-by-step explanation:

Given: The formula [tex]c=5p+10[/tex] relates c, the total cost in dollars of hosting a birthday party at a movie theater to p, the number of people attending.

Put c= $400

Then, [tex]400=5p+10[/tex]

[tex]\Rightarrow\ 400-10=5p\\\\\Rightarrow\ 390=5p\\\\\Rightarrow\ p=\dfrac{390}{5}\\\\\Rightarrow\ p= 78[/tex]

i.e. 78 people can attend the party.

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