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Ghella [55]
3 years ago
7

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 ​
Mathematics
1 answer:
mihalych1998 [28]3 years ago
3 0

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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