kate paid $5.00 each for two braceletes and later sold each for $15.00. she paid $8.00 each for three braceletes and sold each of them $9.00. write expression

Question

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Answer 1

Profit = revenue - cost

 

1)  P(b) = 15b - 5b

     where b = # bracelets bought & sold

     P(b) = 15(2) - 5(2) = $20 profit

 

2)  P(b) = 9b - 8b

     P(b) = 9(3) - 8(3) = $3 profit

 

The above equations assume, as in the information given,

that the number of bracelets bought is the same as the

number of bracelets subsequently sold.