Which is the better deal? 1 pack of paper for $2.50 2 packs for $4.00 3 packs for $6.50 4 packs for $10.00

2 for $4 because if you take the dollar amount and divide it by the amount of packs you will get the lowest number.

No he does not because he can only cover 12 square feet from 15 square feet which he will still need 3 more. this is because if 3×5=15 square feet and 15-12=3 which thats the answer