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Mathematics
OpenStudy (anonymous):

carol is twice lorraine's age. in six years, the sum of their ages will be 30. how old is each now?

OpenStudy (anonymous):

let carol's age be x and lorraine's, y. now: x=2y or you can simply say carol's age is 2y while lorraine's is y. in 6 years: (2y+6)+(y+6)=30 3y+12=30 3y=18 y=6 hence carol's age is 12, and lorraine's age is 6.

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