Answer:
For every x feet of rope purchased, the total cost(y) increases by $6.85.
Step-by-step explanation:
Answer:
2x^2t + 7xy
Step-by-step explanation:
I'm guessing you want this simplified, since you have not specified what to do,
5xy + 2xy = 7xy
-x^2t + 3x^2t = 2x^2t
= 2x^2t + 7xy