4y 8x - 16 as a function

Somone me i want to know what 18 hours out of 24 hours in a fraction

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

2.5 milligrams is equivalent to how many grams