Math, asked by anu2343, 1 year ago

a and b starting from the same place run at a rate of7kmph and 9kmph respecteivly what time with they take to be 12 kmph apart.if they walk in the same direction

Answers

Answered by anr4u97

1

relative speed is 9-7 = 2kmph

D=ST

12=2*T

T=6 hrs is ur answer

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