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Rent-A-Wreck rents cars for $50 a day, plus $0.25 per mile. Drive-A-Lemon rents cars for $40 a day, plus $0.30 per mile. A. Write a system of equations that best models the cost of renting a car from each business. Let x represent the number of miles, and let y represent the cost per day. *

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Answer:

y = 0.25x + 50

y = 0.3x + 40

Step-by-step explanation:

The equations will be in slope-intercept form (y = mx + b).  To figure out what goes where, you need to figure out what you have.  

For Rent-A-Wreck, they pay $50 a day with $0.25 per mile.  This means that, per day, the number that is changing is the $0.25 per mile.  This means that the equation will be y = 0.25x + 50.

For Drive-A-Lemon, they pay $40 a day with $0.30 per mile.  This means that, per day, the number that is changing is the $0.30 per mile.  The equation will be y = 0.3x + 40.

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