5.Stephanie and Ryan go together to a local video store. Stephanie rents two movies and three
1 answer:
Movies: $4.35. Games: $5.20
Assume movies are all $x and games are all $y to rent
2x + 3y = 24.3
3x + 1y = 18.25
Multiply second equation by 3
9x + 3y = 54.75
Subtract first equation from third equation
7x = 30.45
x = 4.35 So a movie costs $4.35 to rent
Substitute for x in equation 2
3 x 4.35 + y = 18.25
13.05 + y = 18.25
y = 18.25 - 13.05 = 5.20 so games cost $5.20 to rent
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