George observes that for every Increase of 1 in the value of x, there is an increase of 80 in the corresponding value of y. He claims that the relationship represented by the table is proportional.
Critique George's reasoning by completing the explanation.
1
2
3
4
5
у
90
170
250
330
410
George's observation is (select) and his claim is (select) .The rate of change (select)
the ratio of y tox (select)
, and the ratio of y to x is (select)