Answer:
Step-by-step explanation:
she can only wear 7 since she only has 7 shoes
27 miles per hour
1 hour = 60 minutes
27 miles per 60 minutes
27/60 miles per 1 minute
9/20 mile per minute
I just learned logarithm and I think the answer is B.

So A is 60.

So B is 64.

So C is 60.

So D is 60.
Then B is the biggest.
Thank you very much.
<span>(Took a lot of time of mine...) </span>
Answer:
9 at minimum
Step-by-step explanation:
a minimum of 9 because it takes a total of 8 rides to take back a full 18 cars back and the 9th ride takes back the remainder which is 0.27777777778 times 18 cars