SOLUTION: lydia rode 243 miles in a three day bike trip.on the first day , lydia rode 67 miles. on the second day, she rode 92 miles. how many miles per hour did she average on the third day

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Question 230344: lydia rode 243 miles in a three day bike trip.on the first day , lydia rode 67 miles. on the second day, she rode 92 miles. how many miles per hour did she average on the third day if she rode for 7 hours?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
lydia rode 243 miles in a three day bike trip. On the first day lydia rode 67 miles. On the second day, she rode 92 miles. How many miles per hour did she average on the third day if she rode for 7 hours?
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On the 3rd day she rode 243-(67+92) = 84 miles
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Her rate on the 3rd dat was 84/7 = 12 mph
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Cheers,
Stan H.