SOLUTION: In the formula D=Rt, find r miles per hour if D is 390 miles and t is 13 hours?

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Question 373496: In the formula D=Rt, find r miles per hour if D is 390 miles and t is 13 hours?
Answer by dianitaa_328(8) About Me  (Show Source):
You can put this solution on YOUR website!
D=Rt
390=R(13)
So you divide 390/13=30
The answer is 30.
Check: 30*13=390
Good luck!