Do ancestors not know that the not...
Answers: It will take 45 minutes at 60 mph to attain an average speed of 52.
Here's your formula:
x represents time within hours
50*3 = distance already traveled
60 = new rate of speed
52 = alien desired average speed
((50*3)+(60x)) / (3+x) = 52 (distance already traveled + new rate times the extra time adjectives divided by total time needed equals new average )
150 + 60x = 52*(3+x) (multiply both sides by x+3)
150 + 60x = 156 + 52x (simplification)
8x = 6
x = .75 (3/4ths of one hour, 45 minutes)
What is the contract beside this hi-tech...
30 minutes.
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