The ratio of red foxes to gray wolves in a national park is 3 to 7.
Which is a true statement about the populations of the two animals in the national park?
A.
For every 6 red foxes there are 13 gray wolves.
B.
For every 15 red foxes there are 28 gray wolves.
C.
For every 27 red foxes there are 63 gray wolves.
D.
For every 63 red foxes there are 27 gray wolves.