John is trying to decide how to divide his time between his job as a stocker in the local grocery store, which pays $7 per hour for as many hours as he chooses to work, and cleaning windows for the businesses downtown. He makes $2 for every window he cleans. John is indifferent between the two tasks, and the number of windows he can clean depends on how many hours he spends cleaning in a day, as shown in the accompanying table.
What is the lowest price per window that would induce John to spend at least one hour per day cleaning windows?
A)$7
B)$1
C)$3
D)$2

Question

John is trying to decide how to divide his time between his job as a stocker in the local grocery store, which pays $7 per hour for as many hours as he chooses to work, and cleaning windows for the businesses downtown. He makes $2 for every window he cleans. John is indifferent between the two tasks, and the number of windows he can clean depends on how many hours he spends cleaning in a day, as shown in the accompanying table.   
What is the lowest price per window that would induce John to spend at least one hour per day cleaning windows?
A)$7 
B)$1 
C)$3 
D)$2

Quizplus · Accepted Answer

The Answer is B

John Is Trying to Decide How to Divide His Time