El rango de una función se toma de arriba para abajo o de abajo para arriba ?

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

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

50 points~ ! i have to turn this in tomarrow