Question

i travel distance of 10km and come back in 2 1/2 hours . what is my speed?

Answer 1

$we \: know \\ distance = speed \times time \\ distance = s \times 2 \times 1 \div 2 \\ speed = distance \div time \\ s = 10 \div 2 \times 1 \div 2 \\ speed = 10m$

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