walking at ¾ of his usual speed ,a man is late by 2 ½ hr.
the usual time is.
Choose the correct option
A) 7 B) 8 ½ C) 7 ½ D) 7 ¾ E) 9 ½
Usual speed = S   Usual time = T   Distance = D   New Speed is ¾ S   New time is 4/3 T   4/3 T – T = 5/2   T=15/2 = 7 ½   Answer is 7 ½.
<result>C</result>
walking at ¾ of his usual speed ,a man is late by 2 ½ hr.
the usual time is.