lilmonday lilmonday

08-03-2018
Mathematics

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Rita rode her bicycle out into the country at a speed of 20 miles per hour and returned along the same route at 15 miles per hour. If the round trip took 5 hours and 50 minutes, how far out did she ride?

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vegasblazian vegasblazian

11-03-2018

x/20+x/15=5 5/6

(15x+20x)/20*15 = 35/6

35x/300= 35/6 CROSS MULTIPLY.

6*35x= 35*300

210x = 10,500

x= 10,500/210

X=50

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