Carolyn is practicing for her upcoming triathlon. She is going to run 4 miles. How many quarter miles is this?
A. 4
B. 12
C. 16
D. 20
D. 20 quarter miles.
There are 4 quarter miles in a mile, so to find how many quarter miles are in 4 miles, you can multiply 4 by 4:
4 miles x 4 quarter miles/mile = 16 quarter miles
Therefore, Carolyn is going to run 16 quarter miles.