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Mathematics 18 Online
OpenStudy (anonymous):

Help with a word problem! I will give a medal!

OpenStudy (anonymous):

Ted walks from his home to the post office at an average rate of 3 miles per hour. He then walks back at an average rate of 5 miles per hour. What is his average rate for the entire trip?

OpenStudy (anonymous):

i dunno if i am right is it 3+5 divided by 2

OpenStudy (anonymous):

then it'd be 4

OpenStudy (anonymous):

4 miles is the average rate. 3 miles plus 5 miles is 8 miles. 8 miles divided by 2 is 4 miles.

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