Hi I am here to help :). I think the answer would be 7/4. Good luck!
Answer: 30x
Step-by-step explanation:
x
x 
This can also be written as :

= 
which could be written as :
x 
= 30x
Answer:
56
Step-by-step explanation:
z varies jointly with x and y:
z = kxy
When x = 2 and y = 2, z = 7.
7 = k(2)(2)
k = 7/4
z = 7/4 xy
When x = 4 and y = 8:
z = 7/4 (4)(8)
z = 56
It would stay the same at 800,000 because there's nothing to show that it can be rounded.
Answer:
29
Step-by-step explanation:
203/ 7 = 29