is there a graph
step-by-step explanation:
it's a proportional graph.
8 x 5 = 40 (and you have -8x and -5y)
x= absiss
y= orderly
so you have a proportional graph.
anwser : 9 years
pats age should be less than 10 , therefore the greatest age (in integer)that pat can be is 9 years