SOLUTION: The ratio of a quarterback's completed passes to attempted passes is 6 to 7. If he attempted 21 passes, find how many passes he completed.

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Question 779596: The ratio of a quarterback's completed passes to attempted passes is 6 to 7. If he attempted
21 passes, find how many passes he completed.

Answer by fcabanski(1391) About Me  (Show Source):
You can put this solution on YOUR website!
Set the ratios equal to each other. Cross multiply, Solve for the missing number.


completed/attempted = 6/7 = x/21


7x = 6*21


x=6*21/7


x=6*3 = 18 completed passes.