Right answer gets brainlist

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64