Question

By travelling at a speed of 48km/hr.A car can finish a certain journey in 10 hours.To cover the same distance in 8 hours ,the speed of the car should be *​

Answer 1

Step-by-step explanation:

by choosing a couple of values for x,−1,0,1

calculate the corresponding y values.

x −1 0 1

y 1 3 5

Answer 2

Answer:

Distance of the entire journey =(48×10)km

=480km

If the time taken = 8 hours, then increased speed =

8

480

km/hr=60km/hr

∴ Increased in speed =60km/hr−48km/hr=12km/hr

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