The smallest number of pens he can buy is 4 packages
42/48 in simplest form is 7/8
Answer:

Step-by-step explanation:
each circle is composed of 3 sectors
The first 3 are completely shaded representing 3 + 3 + 3 = 9 sectors
the last one has 1 sector of 3 shaded representing 1 sector
sectors shaded = 9 + 1 = 10
improper fraction is then 
Hopes this helps:
Answer: 4 digits