Kensey has $1200 more in her checking account than she has on her savings account . Her checking account paid 3% in interest and her savings account paid 5% interest. If she earned $96 in interest for one year, how was her money divided between the two accounts? Write a system of equations and solve

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.