Difficulty: Medium
Average Score: 75%
Entry Exam
A person is responsible for replacing light bulbs when they stop working in an outdoor sign. The sign has 1,652 bulbs, and 42% of the bulbs burn out every week. How many light bulbs should the person expect to replace each day when working 7 days a week?
Correct answer
B
Rationale
To find out how many light bulbs the person should expect to replace each day, first, calculate the number of bulbs that burn out each week: 1,652 bulbs ÔÇö 0.42 = 694 bulbs. Then, divide by the number of days worked per week, which is 7: 694 ?À 7 = 99. Therefore, the person should expect to replace approximately 99 bulbs each day.