Your order comes in for new protective eye wear. you order five and a half dozen. how many individual protective eye wear should you have recieved

 You should have received  33 pairs of protective eyewear

To Check This:
1 dozen = 12
1/2 dozen = 6
5 dozen = 60

12x5=60+6=66
66 / 2 = 33 because a pair equals 2