document.write( "Question 919592: A truck with a heavy load drove from Boston to New York at 45 mph. After unloading, it returned from New York to Boston at a speed of 65 mph. What was its average speed for the whole trip? \n" ); document.write( "
Algebra.Com's Answer #557821 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Both parts of equal distances.\r
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\n" ); document.write( "\n" ); document.write( "________________rate__________time_________distance
\n" ); document.write( "Heavy___________45____________\"d%2F45\"_______________d
\n" ); document.write( "Light___________65____________\"d%2F65\"_______________d\r
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\n" ); document.write( "\n" ); document.write( "Average speed is total distance divided by total time.
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