Question

The boat travel faster at the speed of about 20 km
in hour. How much time will they take to go 85 km.​

Answer 1

Answer:

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 = 1 / 20 hour

Time taken to complete 85 km = 85 / 20 hour

Time taken to complete 85 km =4.25 hour

Hence, They take 4.25 hours to complete 85 km.