Write a contextual story for the equation x+3x+x+3x=240

Sorry guys but as you have a small brain

Consider the function f(x)=-5x+3 what is f(-2)

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