For items 11-15.let u as universal set: U=(1,2,3,4,5,6,7,8,9,10) P=(135)
Q=(235)
R=(246)

13. what is Q n R?
a.2,3,5
b.2,4,6
c.2
d.1,3,5
pa help po thanks:))​

Mrs. robinson bought a novel at a bookstore on sale for 20% off its regular price of $29.99. mr chang bought the same novel at a different bookstore for 10% off its regular price of $25. which person received the better discount?