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Question

Nandini’s house is 910km from her school. She walked some distance and then took a bus for 12km to reach the school. How far did she walk?


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Solution

Given

Distance of the school from Nandini’s house = 910km

Distance Nandini travelled by bus = 12km

To calculate: Distance Nandini covered by walking

Distance walked by Nandini = Total distance of the school - Distance she travelled by bus

= 910-12km

= 9-510km

=410km=25km ( Divide both numerator and denominator by their HCF 2)

Hence, Distance Nandini covered by walking is 25km


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