Question

Every Monday evening, a mathematics
teacher stops by the dry cleaners, drops
off the shirts that he wore for the week,
and picks up his previous week’s load. If
he wears a clean shirt every day, including
Saturday and Sunday, what is the minimum
number of shirts that he can own?

Answer 1

a clean shirt every day... he must have 14 shirts

Answer 2

14 is not correct but close.

Answer 3

While 7 shirts are at the cleaner,
the teacher needs 8 shirts at home—one
for every day of the week and ...

Answer 4

15 shirts??

Answer 5

Correct.