math
posted by scott .
Daphne ran a distance of 180 feet. Peter ran a distance of 15 yards. What is the ratio of the distance Daphne ran to the distance Peter ran? (3 feet = 1 yard)
a. 4:1
b. 5:1
c. 6:1
d. 12:1
e. 36:1

180/3 = 60
60/15 = 4