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5 January, 01:27

A boat sailed for 7 hours at the speed of 80 km/h. It changed its speed to 95 km/h for the next 6 hours. How far had boat sailed in km.

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  1. 5 January, 01:41
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    Answer: 1130km

    Explanation:

    Initial Time taken by boat = 7 hours

    Initial speed of boat = 80 km/h

    New speed of boat = 95 km/h

    New time taken by boat = 6 hours

    Total distance sailed by boat = ?

    Recall that speed is the total distance travelled divided by the total time taken.

    i. e Speed = distance / Time taken

    Distance = speed x time taken

    So, from the data provided we will calculate the distance travelled in under the two conditions

    In 1st case: distance = 80 km/h x 7 hours

    distance = 560 km

    In 2nd case: distance = 95km/h x 6hours

    distance = 570 km

    Hence, total distance = 560km + 570km

    = 1130km

    Thus, the boat had sailed 1130 kilometers far
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