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A. To solve for p, you would make the equation say p=
c = 5p + 215 -----subtract 215
c - 215 = 5p -----divide everything by 5
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B. They will spend $300, which is c. p is the number of people that can come.
--- plug in the cost where c is
--- solve for p (start by multipling
)
p = 60 - 43 --- subtract 43 from 60 and you will get the number of people.
p = 17 people
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To check your work, put your answer into the original problem
c = 5p + 215
c = 5(17) + 215
c = 85 + 215
c = 300
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So your answer is 17 people can attend the party.
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