Question

if a boat travels about the speed of 20 kilometre in one hour how much time will they take to go 85 kilometre​

Answer 1

speed=20 km/h

distance=85 km

As we know, speed=distance/time

hence, time = distance/speed

= 85/20

=4.25 hrs

Answer 2

They take 4.25 hours to complete 85 km

Step-by-step explanation:

Time taken to complete 20 km = 1 hour

Time taken to complete 1 km =$\frac{1}{20} hour$

Time taken to complete 85 km =$\frac{85}{20} hour$

Time taken to complete 85 km =4.25  hour

Hence They take 4.25 hours to complete 85 km

#Learn more:

if a boat travels about the speed of 20 kilometre in one hour how much time will they take to go 85 kilometre​

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