Answer:
Table B
Explanation:
we know that
A relationship between two variables, a, and b, represent a proportional variation if it can be expressed in the form
or
![b=ka](https://img.qammunity.org/2020/formulas/mathematics/middle-school/g67dhp3f0uu3rcquikji3tkcok5rl25ehc.png)
In this problem the table B shows a proportional relationship because
For a=20, b=25 -----> b/a=25/20=1.25
For a=24, b=30 -----> b/a=30/24=1.25
For a=32, b=40 -----> b/a=40/32=1.25
The constant of proportionality k is 1.25