Heather has one employee in her sweater shop who can sew 6 sweaters a day. When she hires a second person, the two employees can make 10 sweaters together. Thinking at the margin, the extra benefit received from hiring a second worker is _____ sweaters.

Question

Quizplus · Accepted Answer

The extra benefit received from hiring a second worker can be calculated by finding the difference between the number of sweaters made by two employees and the number of sweaters made by one employee.

With one employee, the number of sweaters made in a day is 6.

With two employees, the number of sweaters made in a day is 10.

Therefore, the extra benefit received from hiring a second worker is:

10 - 6 = 4 sweaters.

Therefore, the correct answer is choice A (4).

Heather Has One Employee in Her Sweater Shop Who Can