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27 June, 06:21

Brian buys 5 cookies and 1 bottle of water. The total cost is $8.75. If the bottle of water costs $1.25, which equation can be used to determine the cost of 1 cookie?

A, 5c+1.25=8.75

B, 5 (1.25) + c

C, 5c+8.75=1.25

D, c+1.25=8.75

+3
Answers (2)
  1. 27 June, 06:29
    0
    A. 5c + 1.25 = 8.75

    Step-by-step explanation:

    Where c is cost of one cookie

    5c + 1.25 = 8.75

    Subtract 1.25 from both sides

    5c + 1.25 - 1.25 = 8.75 - 1.25

    5c = 7.5

    Divide both sides by 5

    c = 7.5/5

    c = 1.5

    = $1.5

    One cookie cost $1.5
  2. 27 June, 06:42
    0
    A

    (i may be wrong)
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