1/3b+2/3b-5/6(b+1)

A. 1/6b+5/6
B. 1/6b-5/6
C. 11/6b-5/6
D. 1/6b+1

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Can someone me with this? i’m not sure what to put for my equations.

Sonia works at a sporting goods store. she earns $415 per week plus a 5.25% commission on her sales. one week, her sales are $2,200. what is her total income for the week?