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Katalin drove 300 miles on her vacation. She drove an average of 1.9 times faster on the second 150 miles of her trip than she did on the first 150 miles of her trip. Which expression represents the time she spent driving? Let x = her speed on the first half of the trip. HELP!!! NEED EXPLANATION SOON

Answer :

stevianamccoy
300=x+1.9x
I got this by dividing the problem into two parts x[the speed of the first half] plus 1.9x [the speed of the second half increased by 1.9] both of those together should give you 300. 
I went further and solved this...If you placed 103.5 into this problem for x you should get 300.15!

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