if the school sold 26 small notebooks, what the maximum number of large notebooks they sold ?

Question

$ 2 notebooks and $4 for each large note books and the school mad no more than 80

Answer 1

Looks like the question was cut off. I'm assuming it ended with "no more than 80 dollars."

Let x = number of large notebooks.

2(26) + 4(x) ≤ 80

4x ≤ 80-52 = 28

x ≤ 7

Maximum number of large notebooks sold.

Answer 2

If the school sold 26 small notebooks for $4 a pop, then the amount made from small notebooks is $52, thus the amount made from large notebooks $80 - $52 = $28. If each is sold for $4 then $28/$4 leads to 7 large notebooks maximum.