80 cookies.
12 cookies per sheet times 6 sheets that she need for the whole fourth grade is 7
2 cookies for 4 teachers mean 2 time 4 which equal 8
72 plus 8 equal 80.
So I think u have to multiply 12x6= 72 and then 4x2=8 and then 72 divided by 8 sorry if I am wrong tho
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