Andalusia has been promoting the importance of health maintenance. From…
2024
Andalusia has been promoting the importance of health maintenance. From January 1,1991 to January 1,1993, the number of people enrolled in health maintenance organizations increased by 15 percent. The enrollment on January 1,1993 was 45 million. How many million people(to the nearest million) was enrolled in health maintenance organizations on January 1,1991 (Approximate your answer to nearest integer value) ?
- A.
39
- B.
40
- C.
41
- D.
45
Attempted by 1272 students.
Show answer & explanation
Correct answer: A
Approach: Let the enrollment on January 1, 1991 be x million. After a 15% increase, x × 1.15 = 45.
Set up the equation: x × 1.15 = 45.
Solve for x: x = 45 ÷ 1.15 = 39.13043478...
Round to the nearest million: 39.130... rounds to 39 million.
Answer: 39 million