A bike messenger delivers a package from the courthouse to a law firm downtown, travelingat an average speed of 24 miles per hour. On the way back, the bike messenger getsstuck in traffic, which reduces his average speed for the return trip by 12.5 percent.What was the bike messenger's average speed, in miles per hour, for the round trip?
A. 22
B. 22.1
C. 22.4
D. 22.5
Answer:C
A bike messenger delivers a package from the courthouse to a law firm downtown, travelingat an average speed of 24 miles per hour. On the way back, the bike messenger getsstuck in traffic, which reduces his average speed for the return trip by 12.5 percent.What was the bike messenger's average speed, in miles per hour, for the round trip?
A. 22 B. 22.1 C. 22.4 D. 22.5
Explanation: C