SOLUTION: 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?

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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?
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
With a ratio of 7:5 , 7/(7+5) = 7/12 of sales are cars,
and 5/(7+5) = 5/12 are trucks.
7/12 * 84 = 7(84)/12 = 7(7) = 49 cars sold
5/12 * 84 = 5(84)/12 = 5(7) = 35 trucks sold