Question

. Two persons are walking in opposite directions at the speed of 6 kilometres
per hour and 8 kilometres per hour. After how many hours they will be at a
distance of 7 km from each other?
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Answer 1

Answer:

$\frac{1}{2 } hour$

Step-by-step explanation:

$6 \times \frac{1}{2} = 3km \\ 8 \times \frac{1}{2} = 4km \\ 4 + 3 = 7km$