Answer: 4.04 ounce
Explanation: Given: Peanut butter contained in the jar = 1.43 kg
Used Peanut butter=8.0 % of 1.43kg = [tex]\frac{8}{100}\times 1.43kg=0.1144kg[/tex]
As we know [tex]1kg=35.274 ounce[/tex]
[tex]0.1144 kg=\frac{35.274}{1}\times 0.1144=4.04ounce[/tex]