3. A warehouse dispatcher is responsible for the immediate delivery of 75,000 condensers. She can use only 2 different sizes of trucks for the task. Each of the larger trucks will carry a maximum of 15,000 condensers. Each of the smaller trucks will carry a maximum of 12,000 condensers. The dispatcher has 2 of the larger trucks to use. If each truck makes only a single trip, how many of the smaller trucks must be used with the 2 larger size trucks to deliver this order?

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

Let the number of pickup trucks be x. According to the meaning of the question, the equation 2×15000 + 12000 × x = 75000 can be solved to get x = 3.75. Since the number of trucks is an integer, you need at least 4 small trucks, so choose B