Question

a car travels 216km on 24 litres of petrol . How far would it travel on 20 litres of petrol?

Answer 1

24L=216km

20L= ?

x1/y1 = x2/y2

24/216 = 20/x

24x =4320

x = 4320/24

x = 180

therefore the car travels 180 km in 20 L

Answer 2

Answer:

given ,

216 km = 24 L

X km = 20 L

For this , we have to use unitary method to find the distance traveled in 1 L of petrol.

It is given by,

216 km = 24 L

Y km = 1 L

Y = 216 /24

   = 9 km

This means that the car travels 9 km for 1 L

for 20 L ,

multiply the value with 20

X = 9 × 20

   = 180 km

therefore , the car travels 180 km by using 20 L of petrol.

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Step-by-step explanation: