Solve the problem.A couple have bought a new house and are comparing quotes from two moving companies for moving their furniture. Company A charges $80 for the truck and $50 per hour for the movers. Company B charges $60 for the truck and $55 per hour for the movers. Create a cost equation for each company where y is the total cost and x is the number of hours of labor. Write a system of equations.
A. y = 80x + 50
y = 60x + 55
B. 50y = x + 80
55y = x + 60
C. 50y = 80x
55y = 60x
D. y = 50x + 80
y = 55x + 60
Answer: D
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+ 
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A. 
B. 
C. 
D. 