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

Respuesta :

35.79-3b

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

Answer:

35.79-3b Or (D)

Step-by-step explanation: