Question
Billy has $5 in his savings box and Luke has $1 in his. Billy adds $1 to his savings box each day and Luke adds $5 to his each day. On which day will Luke’s savings be thrice of Billy’s?
4 m

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Billy has $5 in his savings box and Luke has $1 in his. Billy adds $1 to his savings box each day and Luke adds $5 to his each day. On which day will Luke’s savings be thrice of Billy’s?