SOLUTION: Ace Motors sold a total of 15 cars and trucks during one promotion sale. Six of the vehicles sold were trucks. What is the number of cars that were sold?

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Question 1019599: Ace Motors sold a total of 15 cars and trucks during one promotion sale. Six of the vehicles sold were trucks. What is the number of cars that were sold?
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
c+t = 15
t = 6
substitute for t in the first equation:
c+6 = 15 subtract 6 from both sides:
c = 9 cars were sold