Luttrell 2012
154
Bonus
Final Exam 7, 8, 9, 10
Each bonus question is worth 4! ÷ 3!. Show work for full credit!!
0. How can 7 + 8 = 12? One possibility is that the number system being used is to the base 13.
However, what we are looking for here is a different digit to be substituted for each of the letters in the
following example in order to give a correct addition.
S E V E N
+ E I G H T
T WE L V E
01. If the city of
A
is 9000 miles from
B
, and
B
is 9000 miles from the city of
C
, what is the probability
that
C
is closer to
A
than to
B
?
10. What number should be replace the x?
7
8
9
4
6
8
1
x
7
11. With the weights given below, find x so the weights balance the scale.
6 10 12 x
100. What is X?
131
517
192
X
I have been careful not to allow others to see my work and the work on the examination is completely my own. This examination
may be returned for my own personal use and I will not share it except with concurrent classmates. Other uses are not condoned.
I will properly dispose it. I will not talk about the exam until after June 30.
Signature/Date: ____________________________________