This is due today please help

Brent wants to know what is 5 x 1/2

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

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