MAT 047
Homework 10
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Translate the question into a proportion. Do not solve.
1) 50% of 22.2 is what number?
50
p
22.2
50
=
=
A)
B)
22.2 100
b
100
C)
2) What number is 7% of 164?
7 164
a
7
=
A) =
B)
b 100
164 100
C)
22.2
p
=
50
100
7
p
=
164 100
D)
D)
a
50
=
22.2 100
164
7
=
b
100
1)
2)
Translate to a proportion and solve. Round to the nearest hundredth, if necessary.
3) 989 is what percent of 753?
A) 1.31%
3)
B) 131.34%
C) 0.13%
D) 76.14%
4) 22 is 4% of what number?
A) 5500
4)
B) 88
C) 55
D) 550
5) 72 is what percent of 60?
A) 120%
5)
B) 12%
C) 1200%
D) 1.2%
The circle graph below shows the number of pizzas consumed by college students in a typical month. Use the graph to
answer the question.
6) If State University has approximately 41,000 students, about how many would you expect to
consume 5-6 pizzas in a typical month?
A) 738 students
B) 1394 students
C) 7380 students
1
D) 13,940 students
6)
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the
nearest whole.
7) The Tragord family paid 13% of the purchase price of a $299,000 home as a down payment.
Determine the amount of the down payment.
A) $38,870
B) $23,000
C) $389
D) $3887
8) Roger earned $850. If Roger gave 5% to charity, how much did he give to charity?
A) $42.50
B) $0.425
C) $425.00
B) $1853.25
C) $18,532.50
B) 3600 ice cream cones
C) 14,400 ice cream cones
D) 15,000 ice cream cones
9)
D) $51,096.75
10) Sales at a local ice cream shop went up 20% in 5 years. If 18,000 ice cream cones were sold in the
current year, find the number of ice cream cones sold 5 years ago. (Round to the nearest integer, if
necessary.)
A) 90,000 ice cream cones
8)
D) $4.25
9) A union contract calls for a 3.5% salary increase for all employees. Determine the increase for a
worker who is currently making $52,950.
A) $54,803.25
7)
10)
Solve.
11) A calculator has a purchase price of $26. If the sales tax on this purchase is $2.21, find the sales tax
rate.
A) 0.915%
B) 0.085%
C) 8.5%
D) 0.078%
12) How much commission will an agent make on the sale of a $355,600 house if she receives 1.5% of
the selling price?
A) $533.40
B) $23,706.67
C) $2370.67
2
11)
D) $5334.00
12)
Complete the table.
13)
Original Price
Discount Rate
$90
$67
$149.50
$178.60
10%
20%
50%
40%
A)
B)
C)
D)
Amount of
Discount
Original Price
Discount Rate
$90
$67
$149.50
$178.60
10%
20%
50%
40%
Original Price
Discount Rate
$90
$67
$149.50
$178.60
10%
20%
50%
40%
Original Price
Discount Rate
$90
$67
$149.50
$178.60
10%
20%
50%
40%
Original Price
Discount Rate
$90
$67
$149.50
$178.60
10%
20%
50%
40%
13)
Sale Price
Amount of
Discount
$80.00
$47.00
$99.50
$138.60
Amount of
Discount
$9.00
$13.40
$74.75
$71.44
Amount of
Discount
$0.90
$1.34
$7.48
$7.14
Amount of
Discount
$81.00
$53.60
$74.75
$107.16
Sale Price
$10.00
$20.00
$50.00
$40.00
Sale Price
$81.00
$53.60
$74.75
$107.16
Sale Price
$89.10
$65.66
$142.03
$171.46
Sale Price
$9.00
$13.40
$74.75
$112.94
Solve.
14) A diamond necklace normally sells for $54,123. If it is first discounted by 15% and then taxed at 9%,
find the total price.
A) $50,149.96
B) $50,154.96
C) $50,244.96
D) $50,144.96
15) Punky went to dinner. Her bill was $24.56, and she left a 15% tip. How much was the tip, rounded
to the nearest dollar?
A) $4
B) $7
C) $49
3
14)
D) $28
15)
16) Find the simple interest when: Principal = $360, Rate = 9%, Time = 2 years.
A) $324.00
B) $32.40
C) $648.00
16)
D) $64.80
17) Corrin borrows $5300 and agrees to pay it back in 4 years. If the simple interest rate is 12%, find the
total amount she pays back.
A) $25,440
B) $7844
C) $2544
D) $30,740
18) A money market fund advertises a simple interest rate of 8%. Find the total amount received on an
investment of $3000 for 9 months.
A) $4800.00
B) $3180.00
C) $180.00
17)
18)
D) $5160.00
Find the total amount in the compound interest account.
19) $15,000 at 5% compounded annually for 13 years
A) $24,000.00
19)
B) $24,750.00
C) $28,284.74
D) $26,937.84
20) $8000 at 7.6% compounded semiannually for 6 years.
A) $12,515.79
B) $10,006.31
20)
C) $12,568.12
4
D) $12,415.48