document.write( "Question 844816: A new car dealership sells cars and trucks at a ratio of 7 to 5. Last month the dealership sold a total of 84 cars and trucks. How many cars and how many trucks were sold? \n" ); document.write( "
Algebra.Com's Answer #509085 by LinnW(1048)\"\" \"About 
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With a ratio of 7:5 , 7/(7+5) = 7/12 of sales are cars,
\n" ); document.write( "and 5/(7+5) = 5/12 are trucks.
\n" ); document.write( "7/12 * 84 = 7(84)/12 = 7(7) = 49 cars sold
\n" ); document.write( "5/12 * 84 = 5(84)/12 = 5(7) = 35 trucks sold
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