Step-by-step explanation: Required ratio = Speed of truck : Speed of bus= 60 550 m/sec : 45×60 33×1000 m/sec = 6 55 m/sec : 9 110 m/sec = 6 55 × 110 9 = 4 3 =3:4 Reply
Step-by-step explanation:
Required ratio = Speed of truck : Speed of bus=
60
550
m/sec :
45×60
33×1000
m/sec =
6
55
m/sec :
9
110
m/sec =
6
55
×
110
9
=
4
3
=3:4