2A (Sally 1 hour: house; John 1 hour: house therefore Sally+John 1 hour house so they can paint 1 house in hour which is A)
3D ( )
1. If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?
A. 5/p B. p - 5 C. p + 5 D. p/5 E. 1- p + 5
2. If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?
A. 2 hours and 24 minutes B. 3 hours and 12 minutes C. 3 hours and 44 minutes D. 4 hours and 10 minutes E. 4 hours and 33 minutes
3. Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?
A. $280.90 B. $287 C. $292.50 D. $306 E. $333.89