A bus is moving at an average speed of 4623 km - h- How much distance will it cover in 225 huors-

Distance #160;covered #160;in #160;1 #160;hour #160;= #160;4623 #160;kmDistance #160;coverd #160;in #160; #160;225 #160;hours #160;= ...

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Standard VII

Mathematics

Introduction to Speed

A bus is movi...

Question

A bus is moving at an average speed of $46 \frac{2}{3}$ km/h. How much distance will it cover in $2 \frac{2}{5}$ huors?

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Solution

$\begin{array}{l} Distance covered in 1 hour = 46 \frac{2}{3} km \\ Distance coverd in 2 \frac{2}{5} hours = (46 \frac{2}{3} \times 2 \frac{2}{5}) \\ = (\frac{14 0^{28}}{3} \times \frac{1 2^{4}}{5^{1}}) \\ = (28 \times 4) \\ = 112 km \\ Hence, the required distance is 112 km. \end{array}$

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A bus is moving at an average speed of 4623 km/h. How much distance will it cover in 225 huors?

Distance covered in 1 hour = 4623 kmDistance coverd in 225 hours = (4623× 225)=(140283×12451)=(28×4)=112 kmHence, the required distance is 112 km.

A bus is moving at an average speed of $46 \frac{2}{3}$ km/h. How much distance will it cover in $2 \frac{2}{5}$ huors?

$\begin{array}{l} Distance covered in 1 hour = 46 \frac{2}{3} km \\ Distance coverd in 2 \frac{2}{5} hours = (46 \frac{2}{3} \times 2 \frac{2}{5}) \\ = (\frac{14 0^{28}}{3} \times \frac{1 2^{4}}{5^{1}}) \\ = (28 \times 4) \\ = 112 km \\ Hence, the required distance is 112 km. \end{array}$