Answer:
4
45×4=180
this needs to be 20 characters long
3/20, or 0.15 of the shirts each evening
1 - 1/4 = 3/4
(3/4) / 5 = (3/4) / (5/1) = (3/4) x (1/5) = 3/20 = 0.15
The answer is A)1/2[sin(4x)+sin(2x)]