An employee of a car wash earns $12 for each car she washes. she always saves $50 of her weekly earnings. this week, she wants to have at least $100 in spending money. what is the fewest number of cars she must wash?

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