You can make this into an inequality, using x as the number of uniforms.
100 + 12x < 61 + 15x
39 < 3x
13 < x, so they must buy more than 13 to get a better deal.
The answer is d
Ask and I can explain :)
I believe if you equate 5.6/2= 2.8cups. 2.8*2=5.6 my apologies if I’m confusing you!
