SOLUTION: Leroy ordered 2 boxes of model cars. He sold 7 cars and now has 17 cars left. How many cars were in each box?

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Question 712465: Leroy ordered 2 boxes of model cars. He sold 7 cars and now has 17 cars left. How many cars were in each box?
Answer by Ehsan(9) About Me  (Show Source):
You can put this solution on YOUR website!
Let each box had x number of cars. Since there were two boxes so we had 2x cars
Now
2x = 7 + 17 Total cars is equal to sold and those left behind
2x = 24
x = 24/2
x =12