document.write( "Question 1104976: On a recent road trip, I drove at a speed of 90 mph for 2 hours. Then I realized my speed was dangerous and slowed down to 70 mph for the remaining 3 hours of my trip. What was my average speed for this trip? \n" ); document.write( "

Algebra.Com's Answer #719721 by josgarithmetic(39620) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "                    SPEED        TIME        DISTANCE\r\n" );
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document.write( "Too Fast              90           2          180\r\n" );
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document.write( "Better Speed          70           3          210\r\n" );
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document.write( "Total                              5          390\r\n" );
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\n" ); document.write( "\n" ); document.write( "Average speed for whole trip, $\"390%2F5=78\"$ , miles per hour \n" ); document.write( "

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