# SAT Math Multiple Choice Question 365: Answer and Explanation

### Test Information

Question: 365

5. A printing company uses a color laser printer that can print 18 pages per minute (ppm) when printing on thick cardstock paper. One of the company's best sellers on the Internet is business cards, which are sold in boxes of 225 cards. The cards are printed 10 per page, then cut and boxed. If a real estate company has 12 full-time agents and orders two boxes of cards per agent, how many minutes should it take to print the cards, assuming the printer runs continuously?

• A. 15
• B. 20
• C. 30
• D. 45

Explanation:

C

Difficulty: Easy

Category: Problem Solving and Data Analysis / Rates, Ratios, Proportions, and Percentages

Strategic Advice: Pay careful attention to the units. As you read the question, decide how and when you will need to convert units.

Getting to the Answer: Work backwardâ€”you need to know how many pages of cards will be printed. To find this number, you first need to know how many cards will be printed. So, start with the number of agents (which tells you the number of boxes) and multiply by the number of cards per box:

Next, use the information about pages to finish the calculations: