Running and Walking ) 50124 (> Correct Constant lya and Anya each can run at a s
ID: 1574312 • Letter: R
Question
Running and Walking ) 50124 (> Correct Constant lya and Anya each can run at a speed of 8.90 mph and walk at a speed of 4.00 mph. They set off together on a route of length 5.00 miles Anya walks half of the distance and runs the other half while llya walks half of the time and runs the other half Part C How long does it take llya to cover the distance? Express the time tlya taken by llya numerically, in minutes. View Available Hint(s) minutes Submit Request Answer Y Part D Now find lya's average speed Express lya's average speed sawe,lya numerically, in miles per hour View Available Hint(s) are,Iya SubmitExplanation / Answer
c)
Ilya walks at 4 mph for t/2 and runs at 8.9 for t/2.
4(t/2) + 8.9(t/2) = 5
2t + 4.45t = 5
6.45t = 5
t = 5/6.45
t = 0.775 hr
t = (0.775)60
t = 46.5 min
d)
IIya's avg speed = 5/0.775 = 6.45 mph
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