Mavis spends 1 1/4 hours on the bus every weekday. How many hours is she on the bus each bus?

6 1/4 hours per week.

Step-by-step explanation:

For each week she spends 1 1/4 * 5 hours or 6 1/4 hours per week

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like:

answer: the answer is d