Answer:
The constant of proportionality is 2.
Step-by-step explanation:
In an equation for which we are looking for the constant of proportionality, we use the base form below.
y = kx
In which k is the constant of proportionality. If we use the equation given
y = 2x
We can see k = 2
Answer:
Step-by-step explanation:
There are 150 9th graders and 300 10th graders
360 blinks / 30 minutes = 12 blinks per minute
12 blinks per minute x 9 minutes = 108 blinks
Answer: 108