Answer:
t = 5.2 min
Step-by-step explanation:
given:
A man walks 2km in 1.5min,
find:
how many time need to walk 6.9km
solution:
its a ratio and proportion
2 km x 6.9 km
1.5 min t
then cross multiply:
2 (t) = 6.9 ( 1.5)
t = 10.35 / 2
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