Asked by Hayley
Allis drives 15 miles faster than diana. In the same time Diana travels 440 miles, Allie goes 560 miles. Find their speeds
Answers
Answered by
Steve
a = d+15
time = distance/speed, so
440/d = 560/a
Now substitute for a, and you get
440/d = 560/(d+15)
Now you can solve for d, and then get a.
time = distance/speed, so
440/d = 560/a
Now substitute for a, and you get
440/d = 560/(d+15)
Now you can solve for d, and then get a.
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