There are 10 red, 2 blue, 3 orange and 3 green marbles in a bag. The probability of choosing a red one first, and without replacing it, choosing a green one second is
(Write your answer as a fraction in simplest form)

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