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29 April, 23:33

In early spring, you are wanting to purchase 6 potted rose plants. The plants to choose from come in 8-inch pots that sell for $12 and 10-inch pots that sell fro $15. If you spend $78, which of the following are the equations for this scenario? Let x = number of 8 inch pots and let y = number of 10 - inch pots.

A. y+15y=6

12x+x=78

B. x+y=6

12x+15y=78

C. x+y=78

12x + 15y=6 (78

D. x+y=6

15x+12y=78

E. No solution

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Answers (1)
  1. 29 April, 23:39
    0
    Things we know:

    Six total pots = # of 10" + # of 8"

    $78 total = cost of 10" + cost of 8"

    So:

    6 = x + y

    and

    78 = x * (cost of x) + y * (cost of y)

    78 = x*12 + y*15

    We need:

    x+y=6 AND 12x+15y=78

    So our answer can only be B.
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