Car uses

The car uses 91 liters of petrol to travel 700km. Determine the rate in liter per 100km.

Correct answer:

r =  13 l/100km

Step-by-step explanation:

s1=100 km s2=700 km  r=91 s2s1=91 700100=70091 100=7009100=13 l/100km

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