gwd-3-14滔滔

Q14:  How many seconds will it take for a car that is traveling at a constant rate of 45 miles per hour to travel a distance of 22 yards?         (1 mile = 1,160 yards) V=45*1160/3600 yards per second

A.     8

B.     9

C.     10

D.     11

E.      12

这个题怎么算出来10？

同问!!!

同问？