Greg owns a clothing store where he designs T-shirts, t, and pairs of shorts, s. He sells the T-shirts for $7 each and the shorts for $16.

Greg can work 18
hours a day, at most. It takes him 30 minutes to design a T-shirt and 45
minutes to design a pair of shorts.

He must design at least 12 items each
day, but he cannot design more than 28 items in one day.

Which set of
inequalities below represents this scenario?

≥ ≤

A. s≥12+t, s≤28+t, s≤24-0.66t, s≥0; t ≥ 2,

B. s≥12-t, s≤28-t, 0.5t + 0.66s ≤18; s≥0; t≥0

C. s≥12-t, s≥28-t, s≤24-0.66t, s≥0; t≥0

D. s≥12-t, s≤28-t, 0.5s≥18-0.66t, s≥0; t≥0