Question

Derek put 96 plastic cups in the first stack, 88

plastic cups in the second stack, and 80 plastic
cups in the third stack. If this pattern continues,
how many cups will Derek put in the fourth
stack?
Student: Type response here.

Answer 1

72

Explanation:

There's a constant trend of x-8. so subtract 8 from 80 and you get 72.

Answer 2

72

Explanation:

we can see that 8 is being - every time

all we do is 80-8

=72