Solve the problem.
-The total sales made by a salesperson was $25,000 after 3 months and $68,000 after 23 months. Predict the total sales after 28 months.
A)$78,792
B)$78,720
C)$78,850
D)$78,750

Question

Quizplus · Accepted Answer

The sales increase can be modeled linearly. The increase from 3 to 23 months is $43,000 ($68,000 - $25,000), over 20 months. This gives a monthly increase of $2,150 ($43,000/20). From 23 to 28 months is 5 months, so the increase is $10,750 (5 * $2,150). Adding this to $68,000 gives $78,750.

Solve the Problem. -The Total Sales Made by a Salesperson Was $25,000 After