Pencils come in packages of 10. Erasers come in packages of 12. Phillip wants to purchase the smallest number of pencils and erasers so that he will have exactly 1 eraser per pencil. How many packages of pencils and erasers should Phillip buy?

3 packets of pencils, 4 packets of erasers

4 packets of pencils, 3 packets of erasers

6 packets of pencils, 5 packets of erasers

5 packets of pencils, 6 packets of erasers

None of the above