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12 August, 06:31

Mariah purchases three hair barrettes by using a gift card, which has a balance of $35.79. Which expression models her purchase?

3b-35.79

35.79+3b

35.79b-3

35.79-3b

+3
Answers (2)
  1. 12 August, 06:42
    0
    Since the total is 35.79 when she bought all three. It either would be 1 or 3. I think it's 3
  2. 12 August, 06:55
    0
    35.79-3b

    The value of the gift card 35.75 minus the cost of 3 barrettes (3b).
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