This quiz will test understanding of the above lessons.
Questions and Answers
1.
Solve  the proportion
A. 
1
B. 
2
C. 
3
D. 
4
2.
Solve the proportion
A. 
-2
B. 
8
C. 
-4
D. 
4
3.
Ron has a model car. The scale of the model to the actual car is 1:10. The length of the model car is 15 inches. How long os the actual car? (leave the number as the answer).
4.
On a map, the distance between Jacksonville, FL and Tallahassee, FL is about 8 inches. According to the scale, 1 inch represents 20 miles. About how far apart are the two cities? (leave the number as the answer).
5.
A utility worker is 5.5 feet tall and is castig a shadow 4 feet long. At the same time, a nearby utility pole casts a shadow 20 feet long. Find the height of the utility pole. (leave the number as the answer).
6.
A rectangle has an area of 48 . Every dimension of the rectangle is multiplied by a scale factor and the new rectangle has an area of 12 . What was the scale factor? (leave the number as the answer).
7.
Find the value
50% of 98
A. 
59
B. 
69
C. 
49
D. 
39
8.
Find the value
130% of 50
A. 
55
B. 
58
C. 
65
D. 
68
9.
Find the value
18 is 40% of what number?
A. 
35
B. 
95
C. 
25
D. 
45
10.
Solve the proportion
A hair salon rent booths for $200 per month plus a 5% commission on receipts. How rent does Qiana owe for one month when her receipts total $4500? (leave the number as the answer).
11.
After 9 mounts, the simple interest earned on an investment of $1200 is $72. Find the interest rate. (leave the number as the answer).
12.
The sales tax rate is 8.25%. estimate the sales tax on the book taht costs $18.50.
13.
After 8 mounts, the simple interest earned annually on an investment of $4500 is $165. What is the interest rate?
14.
Estimate the tax on a digital camera taht costs $399 with a 6.25% sales tax. (leave the number as the answer).
15.
A pharmacy discount card gives the user 40% off prescriptions. Mr. Allen's cholesterol medicadion normally costs $96.50. What is the final price with the discount card?
16.
A gas station purchases fuel at a wholesale price of $1.75 per gallon. The price is marked up 8%. What is the selling proce per gallon?