For smart ppl who are good at function, pls look at the screenshot below.

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

Me n o w. i need t h i s. 10 points

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x