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nexus9112 [7]
3 years ago
14

Merideth's brother, Miles, is 3 years younger than twice her age. The sum of their ages is 24. Create an equation to determine t

heir ages. How old are they?
Mathematics
1 answer:
Sidana [21]3 years ago
5 0
Lets use O to represent Merideth's age and X to represent Miles's age, 
So what do we know? we know that miles is 3 years younger than twice merideth's age so 2(O)=X+3  and we also know that the sum of their ages is 24 O+X=24 using these equations we can input values until we find the values that work so if miles is 15 and meridith is 9 than 2(9)=15+3.   18=18
9+15=24 these values work for both equations so merideth is 9 and miles is 15
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