SOLUTION: Kates age 5 years ago, when doubled, is equal to triple her age 10 years ago
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Question 957373: Kates age 5 years ago, when doubled, is equal to triple her age 10 years ago
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
K=Kate's age
2(K-5yrs)=3(K-10yrs)
2K-10yrs=3K-30yrs Add 30 yrs to each side.
2K+20yrs=3K Subtract 2K from each side.
20yrs=K ANSWER: Kate is 20 years old.
CHECK:
2(K-5yrs)=3(K-10yrs)
2(20yrs-5yrs)=3(20yrs-10yrs)
2(15yrs)=3(10yrs)
30yrs=30yrs
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