Answer:
The mean is 8.3.
Step-by-step explanation:
144 cm3 is what i came up with!
Let the number of copies that must be sold to break even be x, then
3255 + 2.90x = 13.75x
13.75x - 2.90x = 3255
10.85x = 3255
x = 3255/10.85 = 300.
Therefore, 300 <span>copies must be sold to break even</span>
It’s false because, a system of linear equations has one solution when the graphs intersect at a point.