Answer:
z = 5/2y -1
Step-by-step explanation:
We observe that z has ...
- 1 added
- the sum multiplied by 2/5
To solve for z, we undo these operations in reverse order.

(4x20)+30=$110 taken out. if he had $96 put back in, then go $110-$96, leaving a balance of -$14, or in other words, the balance dropped $14.
Answer:
A
Step-by-step explanation:
Y = kx where k is a constant
27 = k*9
k = 27/9 = 3
required variation is y = 3x
The answer is x=3. Work shown in the photo above!