The answer to this question is b
change to improper fractions
77 1/2 = 145/2
2 1/4 = 9/4
divide
145/2 divide 9/4
copy dot flip
145/2 * 4/9
580/18
290/9
32 2/9
it will fit into 32 bags with 2/9 left over
We have 32 full bags * 2.25 = $72.00
Only 6/36 and 5/30 are proportional here, as they both are equal to 1/6 in their simplest form
In short, Your Answer would be Option B
Hope this helps!