Plzz answer questions number 5
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Anonymous:
hello
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speed = distance/time
distance = 500km
time = 7h
speed = 500/7 = 71.42957
b] average distance = speed*time+speed*time
case1 = speed = 50 kmph*1
time in hours = 15/60 = 1/4
case2 speed = 40kmph
time = 10/60 = 1/6
average speed= 50*1/4 + 40 *1/6 = 12.5+6.6667 = 19.1667
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the answer is in picture
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