Answer:
No it is not proportional
Step-by-step explanation:
You cant multiply each of the inputs by a constant number to get the output.
There is only 2 of them that you can, but the other 2 no. And you want he whole table so you need all of the inputs not just some. So no, its not proportional.
Hope this helped!
Answer:

Step-by-step explanation:

one paper sheet = 500 / 305 cents
134 * 13 = 1742
500 / 305 = 1.64 cents
1.64 * 1742 = $28.55