peter travelled by car for 4days.He drove 10 hours each day.He drove: first day at the rate of 45km|h, second day at the rate of 40km|h, third day at the rate of 38km|h and fourth day at the rate of 37km|h. What was his average speed?
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Answer: 40 km/hr
Step-by-step explanation:
Avg. speed on first day= 45km/hr
Distance= 450 km
On second day= 400 km
On third day= 380 km
On fourth day= 370 km
Adding all distances = 1600 km
Total time= 40 hours
On dividing we get 40 km/hr
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