Answer: z=14
Step-by-step explanation: very easy
1/4z = 3 1/2 Divide each side by 1/4 to isolate z
3 1/2 will be divided by 1/4
How to divide 3 1/2 by 1/4?
Keep, change, flip.
First: Convert 3 1/2 to an improper fraction which is 7/2
Second: 7/2 / 1/4 keep 7/2
7/2 x 1/4 change from dividing to multiplying
7/2 x 4/1 flip 1/4 around to make it 4/1
28/2 multiply and then simplify to 14.
so the answer is 14