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28-06-2022
Mathematics

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c) How long does he travel at 30 km/h, if he travels 1.2 h at 20 km/h?

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preenidreams preenidreams

28-06-2022

Answer:

1.8 hrs

Step-by-step explanation:

1.2 hr = 20 km/hr

A hr = 30 km/hr

(cross multiply)

30 x 1.2 = 20 x A

(30 x 1.2) / 20 = A

on simplifying...

1.8 = A

Therefore, it takes 1.8 hrs to travel 30 km/hr

[this is totally my method]

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