# SAT Math Multiple Choice Practice Test: Advanced Arithmetic - Calculator Section

### Test Information

10 questions

14 minutes

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1. 20 - 2x

20 - x

20

20 + x

20 + 2x

What is the average (arithmetic mean) of the list of numbers above?

• A. 20
• B. 100
• C. 20 +
• D.

2.

A lapping slurry contains microbeads suspended in a solution and is used to polish a silicon wafer by abrasion of the surface. The distribution of the particle size, in micrometers, is shown above. If the particle size distribution ranges were changed to 0-20 micrometers and 21-40 micrometers, which of the following is the closest to the ratio of the number of 0-20 micrometer microbeads to the number of 21-40 micrometer microbeads?

• A. 3:01
• B. 4:01
• C. 5:02
• D. 9:01

3. Steve ran a 12-mile race at an average speed of 8 miles per hour. If Adam ran the same race at an average speed of 6 miles per hour, how many minutes longer did Adam take to complete the race than did Steve?

• A. 12
• B. 16
• C. 24
• D. 30

4.

The populations and areas of five countries are shown in the graphs above. If population density is defined as , which of the five countries has the highest population density?

• B. Uruguay
• C. Venezuela
• D. Chile

5. The amount of time that Amy walks is directly proportional to the distance that she walks. If she walks a distance of 2.5 miles in 50 minutes, how many miles will she walk in 2 hours?

• A. 4.5
• B. 5
• C. 6
• D. 6.5

6. A total of 140,000 votes were cast for two candidates, Skinner and Whitehouse. If Skinner won by a ratio of 4 to 3, how many votes were cast for Whitehouse?

• A. 30,000
• B. 40,000
• C. 60,000
• D. 80,000

7.

 SPICE PRICES OF DISTRIBUTOR D Spice Price Per Pound Cinnamon \$8.00 Nutmeg \$9.00 Ginger \$7.00 Cloves \$10.00

The owner of a spice store buys 3 pounds each of cinnamon, nutmeg, ginger, and cloves from distributor D. She then sells all of the spices at \$2.00 per ounce. What is her total profit, in dollars?

(1 pound = 16 ounces)

• A. \$192
• B. \$282
• C. \$384
• D. \$486

8.

Five samples of each of three different rock types were collected on a hiking trip in Colorado. Each sample was analyzed for its gold content. The milligrams of gold found in each sample are presented in the table above. What is the percent difference of the average gold content in the granite samples when compared to the average gold content of the gneiss samples?

• A. The gold content in the gneiss samples is 62% higher than the gold content in the granite samples.
• B. The gold content in the granite samples is 62% higher than the gold content in the gneiss samples.
• C. The gold content in the gneiss samples is 87% higher than the gold content in the granite samples.
• D. The gold content in the granite samples is 87% higher than the gold content in the gneiss samples.

9. Of all the houses in a certain neighborhood, 80% have garages. Of those houses with garages, 60% have two-car garages. If there are 56 houses with garages that are not two-car garages, how many houses are there in the neighborhood?

• A. 93
• B. 117
• C. 156
• D. 175

10. On Tuesday, a watchmaker made 4 more watches than he made during the previous day. If he made 16% more watches on Tuesday than on Monday, how many watches did he make on Tuesday?

• A. 20
• B. 21
• C. 25
• D. 29

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