section 3
time -30 minutes
30 questions
x -1 = y
x = 3
1. y 80
the gross receipts from the sale of t tickets， at
$17 per ticket， total $16，660.
2. t 1，000
points t and u are on a circle with center o
3. ot tu
a box contains 20 marbles all of which are solid colored； 5 of the marbles are green and 10 of the marbles are fed.
4. the probability that the probability that a
a marble selected at marble selected at ran-
random form the box dom from the box will
will be green be neither red now green
5. eleven thousand plus 11，111
eleven hundred plus
eleven
6. x 15
the cost c of an order of n special envelopes
is given by c= （$0.50）n $ 15.00.
7. the cost of an order of $260
500 special envelopes
the average （arithmetic mean） of 7， 9， and x is greater than 9.
8. x 11
a>0
9. 40a
10.
each of the numbers x， y， w， and z （not neces
sarily distinct） can have any of the values 2， 3，
9， or14.
11. wz
a = -219
12. a a a a
13. x 2x 1 x
a > h
14. d e
w， x， y， and z are consecutive positive integers
and w<x<y<z.
15. the remainder when 1
（w x）（x y）（y z）
is divided by 2