3 years ago

Sonya can walk 6 kilometers in 3 hours. If she has to walk 10 kilometers how much time will it take her?

1 answer:

5 0

$6\ km\ in\ 3\ hours\\\\
10\ km\ in\ x\ hours\\\\
proportion:\\
6-3\\
10-x\\\\
cross\ multiplication\\\\
6x=3*10\\\\
6x=30\ \ \ | divide\ by\ 6\\\\
x=5\\\\ It\ will \ take\ 5\ hours.$

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