Represent the situation in the form of quadratic equations.
Q. A train travels a distance of480 km at a uniform speed had been 8 km/h less,then it would have taken 3hrs more to cover the same distance. We need to find the speed of the train
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Answer:
let uniform speed be x km/hr.
initial time = 480/x
new time = 480/x-8
as per the given condition,
480/x + 3 = 480/x-8
480/x-8 - 480/x = 3
480x -480x + 3840 /x² - 8x = 3
x² - 8x - 1280
factorize and u will get the answer
mark brainliest
Answered by
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The answer is 180 ;;; distance /time
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