d/40 +d/60 =2d/a 1/40 +1/60 =2d/a 3a+2a=120 (2) 5a=240 a=240÷5

A car cover first half of the distance with 60kmph and
second half of the distance with 40kmph what is the average
speed?

Question Posted / divyanshu

Answer Posted / divyanshu

d/40 +d/60 =2d/a
1/40 +1/60 =2d/a
3a+2a=120 (2)
5a=240
a=240÷5
a=48km hrs

Is This Answer Correct ?

12 Yes

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