Question

à car
covers 30km at unitorm speed
60km/or and the next 30 km at a unitom
copeed of 40km/hr find the total time in
minute:​

Answer 1

Answer:

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Explanation:

Answer 2

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distance D1=30km

speed s1= 60km/hr

time= 30/60 = 1/2hr

distance D2=30km

speed s2=40km/hr

time t2=30/40= 3/4hr

total time =t1+t2 =1/2+3/4=5/4hr

Average speed=total distance/total time

=30+30/5/4

=48km/hr