20%? 3. A watch is marked in such a way that after allowing a discount of 10%, he gains 26%. How much
above the C. P. is the marked price?
4. If a discount of 10% be given on the M. P. of the book, the publisher gains 20%. If the discount is
The
offic

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5