Anna, Sarah and Camryn ages add up to 46. Camryn is 4 times as old as Anna, and Sarah is twice as old as Anna plus 4 years. How old where they 3 years ago?
There is a pig sheep and cow their ages equal up to 45. In four years the pig will be three times as old as the sheep. The cow will be four times as old as the sheep minus 3. How old will they be?
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