Two gears in a machine are aligned by a mark drawn from the center of one gear to the center of the other. If the first gear has teeth, and the second gear has teeth, how many revolutions of the first gear are needed until the marks line up again?

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.