Question

Bethany sells roses and petunias. The expression 3r+2.5p gives the cost (in dollars) of roses and petunias. What is the cost of 7 roses and 8 petunias?

Answer 1

(3)7 + ( 2.5) 8 $221

Answer 2

Substitute 7 for r and 8 for p in C(r,p) = 3r + 2.5p.

What is C(7,8) = 3(7) +2.5(8)? Be sure to include the $ sign with your answer.