A car travel 3 hours. In first hour it travelled 30 kilometre, 45000 m in second hour and 7500000 cm in third hour. Find average speed in k

Question

A car travel 3 hours. In first hour it travelled 30 kilometre, 45000 m in second hour and 7500000 cm in third hour. Find average speed in kilometre per hour ​

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Xavia 3 years 2021-09-04T06:33:07+00:00 1 Answers 5 views 0

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  1. Ladonna
    0
    2021-09-04T06:34:09+00:00
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    45000 \: m \times \frac{1 \: km}{1000 \: m}

    45 km in the 2nd hour

    7500000 \: cm \times \frac{1 \: m}{100 \: cm} \times \frac{1 \: km}{1000 \: m }

    75 km in the 3rd hour

    \frac{(75 - 30)}{(3 - 1)}

    22.5 km/h

    //

    I tried.

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