Alu dilipi **
43. investing the winnings: after winning $280,000
in the lottery, maurika decided to place the money in
three different investments: a certificate of deposit
paying 4%, a money market certificate paying 5%,
and some aa bonds paying 7%. after 1 yr she earned
$15,400 in interest. find how much was invested
at each rate if $20,000 more was invested at 7%
than at 5%.

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?

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

What is the sum of the first 8 terms of the geometric series