Which equation has a solution of 2/3 for n

Which fraction below is equivalent to 10/12?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

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