Question

1 A Log boat goes 6 km in 1 hour.

a) How long will it take to go 54 km?

b) How far will it go in four and half hour​

Answer 1

Answer:

9 hours

27 km

Step-by-step explanation:

1) 6 km in 1hour

so let the hours be x

, 6 * x = 54

x = 54 /6 = 9 hours

2) 6km in one hour

so 3 km in half hour

6 * 4 km = 24 + 3 km = 27 km

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Answer 2

Answer:

a) 9 hours             b) 27 km

Step-by-step explanation:

According to question boat can travle 6 km in 1 hour

∴ Speed of boat is 6 km / h

Now, time taken to cover 54 km

We know that Time = distance / speed

∴ Time taken is 54 / 6 = 9 hours

Now, distance covered by boat in 4 hour and 30 mins

We also know that distance  = speed * time

∴ Distance covered is 6 * 4hours + 6 * 1 / 2hours

                                    = 24km + 3km

                                    = 27 kilometers