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It takes you 4 hours to driving 180 miles .Explain how to use mental math to find your average speed .Then, Explain how your method is related to the formula d=rt
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It takes you 4 hours to driving 180 miles .Explain how to use mental math to find your average speed .Then, Explain how your method is related to the formula d=rt

User Amenzhinsky
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1 Answer

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To find your average speed, divide 180 by 4 which is 45.
Formula:
Plug the number into the equation
180 is d (distance)
4 is t (time
So it would be 180=r•4
1) get r by itself so divide 4 to both sides
2) 180/4 = r
3) 45 = r
User Suganthan Raj
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