Sum1 help!! this questions been killing me love yah on whoever helps mwah kisses <333

How to solve a simultaneous equation involved with fractions?

Multiply. write your answer in simplest form. 3/8 x 5/7

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