(3+5.50)5
8.50*5=42.5
Derek spends $42.50 each school week.
59 is half if 118
118/2 is 59
F(x) = -1.50x + 40.....basically, this is saying that Gloria has 40 bucks in her lunch account and each meal costs her 1.50.
By changing the -1.50 to -2.75 means she is paying more for her meals...the cost of a meal went up from 1.50 to 2.75.
