you spent $303.
because 17 times 15 is 255. then 12 times 4 is 48.
255 plus 48 is 303.
The better one is a pack 30 pencils that costs $7.97. How do I know I divide 7.97/30 and got 0.26567. I did the same thing to the other one and got 0.3975. The one that is smaller is the best one.
