Answer:
3.56-pound bag
Step-by-step explanation:
$19.54 ÷ 3.56 lbs = 5.48876...
Rounded to nearest whole number: 5 si per pound
$25.45 ÷ 4.48 lbs = 5.6808035...
Rounded to nearest whole number: 6 si per pound
The better buy: The 3.56-pound bag because it's cheaper than the 4.48-pound bag.