Answer:
z/y = 7/4
Step-by-step explanation:
In y/z = 4/7, the numerator and denominator correspond with each other
So, y =4 and z = 7
Answer:
25% ; 400%
Step-by-step explanation:

so, 25 whole watches and hmmmm just the wristband of another maybe.
The answer is 1 hr 28 min. picture included for work. there are other ways to solve this