Question

A machine packs boxes at constant rate of 2/3of a box every 1/2minute what is the number of boxes per minute that the machine pack

Answer 1

(2/3) of the box is done in (1/2) minute.

The 1 whole fraction of the box will be done in  (1/2) ÷ (2/3)  =  1/2 × 3/2 = 3/4 minutes

1 box is packed in (3/4) minutes.

Number of boxes per minute  =    (1 box)  / (3/4) minute  = 4/3 boxes per minute.

Answer 2

2/3 box per 1/2 minute 2(2/3) box per 2(1/2) minute The answer is 4/3 box per minute I hope that's help !