Posted by **ray** on Monday, May 12, 2014 at 11:11pm.

Jake and Sara each drive 270 miles to attend a conference. Jake drives at an average

speed that is 15 mi/h slower than Sara’s average speed. It takes Jake 1.5 hours longer

than Sara to drive the 270 miles. How long does it Jake to make the trip?

- math -
**Steve**, Tuesday, May 13, 2014 at 12:08am
since time = distance/speed, If Jake's speed is x,

270/x = 270/(x+15) + 1.5

x = 45

So, it takes Jake 270/45 = 6 hours

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