Question
Billy has $9 in his savings box and Cody has $2 in his. Billy adds $1 to his savings box each day and Cody adds $4 to his each day. On which day will Cody’s savings be twice of Billy’s?
4 m

Click button first when a symbol is required. X

Billy has $9 in his savings box and Cody has $2 in his. Billy adds $1 to his savings box each day and Cody adds $4 to his each day. On which day will Cody’s savings be twice of Billy’s?