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 #557835 by MathTherapy(10553) $\"\"$ $\"About$

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\n" ); document.write( "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?
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document.write( "Let distance from New York to Boston, and vice-versa, be D
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document.write( "Then, time taken to travel from Boston to New York is: 
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document.write( "Also, time taken to travel from New York to Boston is: 
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document.write( "Total time taken for entire trip: ____________\r
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document.write( "Average speed: 
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document.write( "Average speed: 
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document.write( "Average speed: 
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document.write( "Average speed:  ------ Canceling 2D in numerator and denominator
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document.write( "Average speed: , or  mph \n" );
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