Math, asked by sonia3415, 1 year ago

a car covers a distance of 400km at an average speed of of x km/h on a return journey, the speed was increased by 40 km/h. write down the expression for the original speed of the car

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Answered by roynilam890gmailcom

1

what is the answer then i will try to solve it

sonia3415: 48 hours

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