We bought that house last year it is ___​

How can you decide witch operations to use to slice a two step equation

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

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1