Math, asked by AHBI03052009, 1 year ago

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Answered by RvChaudharY50

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Answer:

D = 120km

T = 2(1/2) = 5/2 hours

S = 120*2/5 = 48km/h

new time = 2 hours

new speed = 120/2 = 60km/h

increased in speed = 60-48 = 12km/h (Ans.)

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