SOLUTION: a car traveled for 1/2 hour at r r mi/h, then increased the speed by 10 mi/h and traveled for 1 1/2 hours more. how far did the car go? (express answer in terms of r)
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Question 206648: a car traveled for 1/2 hour at r r mi/h, then increased the speed by 10 mi/h and traveled for 1 1/2 hours more. how far did the car go? (express answer in terms of r) Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! a car traveled for 1/2 hour at r r mi/h, then increased the speed by 10 mi/h and traveled for 1 1/2 hours more. how far did the car go? (express answer in terms of r)
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d = (1/2)r + (r+1)*1.5
d = 0.5r + 1.5r + 1.5
d = 2r + 1.5 miles
