document.write( "Question 181753This question is from textbook
\n" ); document.write( ": Your are traveling to a concert. To arrive on time you plan to travel at an average speed of 45 mph. For the first two hours of the trip you travel at 40 mph. Find the expression for the total time you traveled. Then use the following verbal models to find how many hours you traveled at 55 mph to arrive on time\r
\n" ); document.write( "\n" ); document.write( "dist at 40 + dist at 55 = total dist
\n" ); document.write( "ave speed *total time = total dist \n" ); document.write( "
Algebra.Com's Answer #136442 by ankor@dixie-net.com(22740)\"\" \"About 
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Your are traveling to a concert. To arrive on time you plan to travel at an
\n" ); document.write( " average speed of 45 mph. For the first two hours of the trip you travel at
\n" ); document.write( "40 mph.
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\n" ); document.write( "Find the expression for the total time you traveled.
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\n" ); document.write( "Let t = time at 55 mph
\n" ); document.write( "Total time = t + 2
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\n" ); document.write( ":
\n" ); document.write( "Then use the following verbal models to find how many hours you traveled at 55 mph to arrive on time
\n" ); document.write( ":
\n" ); document.write( "dist at 40 + dist at 55 = total dist
\n" ); document.write( "2(40) + 55t = total dist
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\n" ); document.write( "ave speed *total time = total dist
\n" ); document.write( "45(t+2) = total dist
\n" ); document.write( "45t + 90 = total dist \n" ); document.write( "
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