
PreAlgebra
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

1A
2A (Sally 1 hour: $\displaystyle \frac 14$ house; John 1 hour: $\displaystyle \frac 16$ house therefore Sally+John 1 hour $\displaystyle \frac 14+\frac 16=\frac 5{12}$ house so they can paint 1 house in $\displaystyle \frac {12}5$ hour which is A)
3D ($\displaystyle 450\cdot 0.85\cdot 0.8$)