Answer:
y = 5z - x
Step-by-step explanation:
Given
z =
( multiply both sides by 5 to clear the fraction )
5z = x + y ( subtract x from both sides )
5z - x = y
Let: x = number of copies sold
We can formulate the following equation to solve for x:
1.50x - 0.9x - 600 = 0
x = 1000
Therefore, the club must sell 1000 copies to break even. Among the choices, the correct answer is A.
Answer:
384
Step-by-step explanation:
6 squares of 8x8=
8x8x6=384