Time taken to travel a certain distance of x x x km at speed of 40 km/h 40 \text{ km/h} 40 km/h is 2 hours more than the time taken to travel ( x + 20...

Question

Time taken to travel a certain distance of xx km at speed of 40 km/h40 \text{ km/h} is 2 hours more than the time taken to travel (x+20)(x+20) km at speed of 60 km/h60 \text{ km/h}. Find the time taken to travel (x+40)(x+40) km at the speed of 40 km/h40 \text{ km/h}?

Options

A.

9 hours

B.

5 hours

C.

8 hours

D.

6 hours

E.

7.5 hours

timespeeddistanceequationsalgebra

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