a car travelled the half of the road at a speed of 80 miles per hour, 1/3 part of the road it travelled at a speed of 60 miles per hour, and the rest of the road it travelled at a speed of 100 miles per hour. what was the average speed (in miles per hour) of the car on the entire road?

b. b < 1 might be the correct answer

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answer: 12/52

step-by-step explanation: my reasoning is that there are 12 face cards in a deck and a total of 52 cards in all.

answer:

at time x=0 we have 1000, at time x=1 we have 2000, at time x=2 we have 4000.  

so that's an initial value of 1000 and a ratio of 2,

y = 1000 (2^x)

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