Step-by-step explanation:
here's the answer to your question

Multiply
by 80 and you will get how many boys play video games daily.

44 is the number of boys who play video games daily.
The domain is -1,0,1,2. The range is 3,5,7,9.
Answer:
Constant of proportionality = 30
Example: r = 6, V = 5
Step-by-step explanation:
Inverse proportion: V*r = constant
Given r=3, V=10, constant = V*r = 30
Example:
r = 6, V = 30/6 = 5