Answer:
2.5
Step-by-step explanation:
From the above, we see clearly that as x increase, y also increase. This means that y is directly proportional to x. With this understanding, we can calculate the constant(K) as illustrated below:
y & x
y = Kx
K = y / x
When x = 2, y = 5
K = 5/2 = 2.5
