Non of the choices is correct
Mrs. Mendoza saved $0.175 per pound by buying the 30 lb bag instead of the 5 lb bag
Explanation:What Mrs. Meendoza purchased:
30 lb bag of oranges for $31.05
1 lb costs $1.035
She could have purchased:
5 lb bag of oranges for $6.05
1 lb would have cost $1.21
The difference between these is:
$1.21 - $1.035 = $0.175
She saved $0.175 per pound by buying the 30 lb bag instead of the 5 lb bag