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Business Mathematics in Canada 4e
Business Mathematics in Canada, 4/e
F. Ernest Jerome
Applications of Linear Equations

Quiz Questions



1

Solve for x and y:
2x + y = 0
3x + y = 4
A)x = –4; y = 8
B)x = 2; y = 4
C)x = 4; y = –8
D)x = –4; y = –8
E)x = 4; y = 8
2

Solve for x and y:
 x 
2		 +  y 
3		 = 2
2x – y = 8
A)x = 5.2; y = –4.8
B)x = 4.0; y = 0.0
C)x = –6.2; y = –5.8
D)x = –6.2; y = 5.8
E)x = 1; y = 1.5
3

The sum of two numbers is 56. If three times the smaller number is one-half of the larger number, what is the larger number?
A)16
B)7.5
C)4
D)48
E)8
4

An inventory of two types of guns was valued at $24,000.00. Each gun of type A was valued at $90.00 and each gun of type B was valued at $120.00. If there were a total of 250 guns, how many of each type were there?
A)A = 25; B = 225
B)A = 225; B = 25
C)A = 200; B = 50
D)A = 50; B = 200
E)A = 150; B = 100
5

A convenience store sells an item for $1.50 each, or 3 items for $3.50. If 202 items were sold and revenue amounted to $279.00, how many of these items were sold one at a time?
A)154
B)48
C)130
D)16
E)24
6

Sales = $78,750
Total variable costs = $47,250
Fixed costs = $42,000
Unit selling price = $21
What unit sales are required to break even?
A)3500
B)5250
C)3938
D)4667
E)none of the above
7

Referring to the previous question, what unit sales would generate a net income of $15,120?
A)9917
B)6800
C)9067
D)7438
E)one of the above
8

Referring to the information given in Question #6, if total sales fall by 20%, what would be the profit or (loss)?
A)($6000)
B)($16,800)
C)$11,250
D)($11,250)
E)none of the above




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