Question

A motor bike travels 210 km on 30 litres of petrol. How far would it travel on
7 litres of petrol (direct, inverse)
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Answer 1

ANSWER

Bike travels in 30 L petrol = 210 km

Bike travel in 1 L petrol = 210 / 30 = 7 km

Bike travels in 7 L petrol = 7 * 7 = 49 km

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Answer 2

Answer:

49 km

Step-by-step explanation:

The amount of petrol is in direct relation with distance.

Let distance be d and petrol be p.

Thus, d1:p1 :: d2:p2

By placing the values,

210:30 :: d2:7

or, 7:1 :: d2:7

orn 7:1 :: 49:7

Thus, answer is 49 km.

Hope this helps. ^_^