Steve and Terri are both heading on a cross-country car trip. Steve started 20 miles ahead of Dublin and drives 50 mph. Terri drives 60 mph but started 10 miles behind Dublin. How long will it take until their cars meet and how far from Dublin will they be?

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.