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Sunita travelled 15 km 268 m by bus, 7 km 7 m by car and 500 m on foot in order to reach her school. How far is her school from her residence?
Given:
Sunita travelled 15 km 268 m by bus, 7 km 7 m by car and 500 m on foot in order to reach her school.
To do:
We have to find the total distance between her school and residence.
Solution:
We know that,
$1\ km=1000\ m$
Therefore,
The distance travelled by Sunita by bus $=15\ km\ 268\ m$
$= (15 + \frac{268}{1000})\ km$
$=(15+0.268)\ km$
$= 15.268\ km$
The distance travelled by Sunita by car $= 7\ km\ 7\ m$
$= (7 + \frac{7}{1000})\ km$
$=(7+0.007)\ km$
$= 7.007\ km$
The distance travelled by Sunita on foot $= 500\ m$
$= (\frac{500}{1000})\ km$
$=(0.5)\ km$
$= 0.5\ km$
The total distance between her school and residence is,
$15.268$
$+7.007$
$+0.500$
-----------
$22.775$
-----------
The total distance between her school and residence is $22.775\ km$.
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