Question

Screen-printing a batch of shirts requires 3 minutes per shirt in addition to 16 minutes of initial set-up time. If it takes 31 minutes to screen-print a batch of shirts, how many shirts are in the batch?

Answer 1

The answer is 5 shirts per batch.

Explanation:

If you subtract 16 from 31 you get 15.

And because you make 1 shirt per 3 mins, you can divide 3 from 15 and that would get you to 5.

Answer 2

The 16 comes from the fact that we take 16 minutes to set up

Explanation: