Lucy had $72 which is 9 times more than Xavier had

Icould really use some with this question.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

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.