Question

if speed of a motor boat is 30km/h.how far would The motor boat in 4&half hour .how much time this motor boat will take to go 90km​

Answer 1

ANSWER:

part1

S=30km/h

t=4 1/2 hrs

distance= speed*time

30*4.5=135km

part 2

d=90km

s=30km/h

t=distance divided by speed

i.e 90/30=3hrs