Answer:
11
Step-by-step explanation:
10 percent of 10 is 1 so add that to 10 and you have your price
26units!
A = 58
B =:25
C = A + B
83 = 9x + 4 + 4x + 1
83 = 13x + 5
13x = 78
x = 78/13
x = 6
A = 9x + 4 = 9 x 6 + 4 = 58
B = 4x + 1 = 4 x 6 + 1 = 25
Assuming this is the full problem.
3x^2-8x+4
