document.write( "Question 851544: Suppose you drive for 60 miles at 60 miles per hour, then for 60 miles at 30 miles per hour. In miles per hour,what is your average velocity? \n" ); document.write( "
Algebra.Com's Answer #512838 by JulietG(1812)\"\" \"About 
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How many miles did you drive in total? 60 + 60 = 120
\n" ); document.write( "How long did you travel? 60/60 + 60/30, or 1 + 2 = 3 hours
\n" ); document.write( "Divide 120 by 3 to get 40mph.
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