Question

Sayuri's Asian Café makes the best pot stickers in town. The kitchen's production is usually between 20 and 22 pot stickers per hour. Sayuri buys a new machine to help the team make pot stickers faster. She tracks production over the course of seven days. On which day does the machine make a positive impact on production?

Day 3

Day 4

Day 5

Day 6

@scapeplan

Answer 1

@scapeplan

Answer 2

Looks like 6 to me, it's when production becomes greater than it was when it was without the machine.