Asked by ray
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?
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?
Answers
Answered by
Steve
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
270/x = 270/(x+15) + 1.5
x = 45
So, it takes Jake 270/45 = 6 hours
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