Bob and Sue enter a race. Bob runs an average of 12 kilometers per hour, and Sue
ID: 3366990 • Letter: B
Question
Bob and Sue enter a race. Bob runs an average of 12 kilometers per hour, and Sue runs an average of 8 kilometers per hour. If Bob finishes 2 hours before Sue, how long is the race?24 km 96 km 48 km 36 km Bob and Sue enter a race. Bob runs an average of 12 kilometers per hour, and Sue runs an average of 8 kilometers per hour. If Bob finishes 2 hours before Sue, how long is the race?
24 km 96 km 48 km 36 km Bob and Sue enter a race. Bob runs an average of 12 kilometers per hour, and Sue runs an average of 8 kilometers per hour. If Bob finishes 2 hours before Sue, how long is the race?
24 km 96 km 48 km 36 km
Explanation / Answer
Bob takes time = D/12
Sue takes time = D/8
(D/8)-(D/12) = 2
D = 48
Option C is Correct