John starts a saving account with $100. every week he adds $6 to his account. which equation can be used to determine the number of weeks w, after which john's accounts reaches $220?
a)6w + 100 = 220
b)6w - 100 = 220
c)6w + 220 = 100
d)6 + w = 220

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.