Question

a cat travell 180 km in 4 hours
how much time will it take to travel 400 km at this speed
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Answer 1

Answer:

For direct proportion, 180 4 = 400 x ⇒ x = 4 × 400 180 ⇒ x = 80 9 So the total time taken to cover 400 km is 80 9 hrs .