It took michael 279 hours to drive home because of traffic. his sister drove the same distance in 12 of michael’s time. how long did the drive take michael’s sister?

23.25 hours because if you can divide 279 hours (michael) divided by  12, you would get 23 hours and 25minutes

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.