I'm basically seeing if I take one of the numbers out then cross multiply, and see if I get the same number I took out or not. 6. I'm taking the 2 out for this one. 6*8=48 48/ 24=2 it should be proportional.
7.I'm taking out the 2 5*8= 40 40/25= 1.6 this one should not be proportional