SOLUTION: In a group of a dozen horses, some are 9 yrs old and the reminder are 11 yrs old. The total of their ages is 122. Find the age distribution
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Question 880401: In a group of a dozen horses, some are 9 yrs old and the reminder are 11 yrs old. The total of their ages is 122. Find the age distribution
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
11x + 9(12-x) = 122
2x = 14
x = 7, number of 11 year olds. 5 nine year olds.
and...
77 + 45 = 122
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