69.24 because you round the three up
There are 16 oz in a pound
a) 1.92 / 16 = $0.12 per oz
b) 3.52 / (16 x 2) = $0.11 per oz
c) Meat 2 is the better buy since it is cheaper
6/3 is equal to the number 2
Since we are talking about real quantities (hours), x should be positive. Also, you need to take into account that Wendy needs to play in order to win game levels.
Therefore the domain will be: x > 0