SOLUTION: Going an average of 65 mph, Bob can travel 500 miles per day. How far can he travel in a day if he increases his average speed to 75 mph? Show (explain) how you can calculate your

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Question 267440: Going an average of 65 mph, Bob can travel 500 miles per day. How far can he travel in a day if he increases his average speed to 75 mph? Show (explain) how you can calculate your answer without calculating the time Bob spent on the road.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Going an average of 65 mph, Bob can travel 500 miles per day.
How far can he travel in a day if he increases his average speed to 75 mph?
Show (explain) how you can calculate your answer without calculating the time Bob spent on the road
:
Use a ratio equation, d = dist at 75
65%2F75 = 500%2Fd
Cross multiply
65d = 75 * 500
65d = 37500
d = 37500%2F65
d = 576.92 mi in a day