the answer is D because explosives dont know were to how to 11 D 7 but 2 do 57 people dont know were to do your welcome
Steps to solve:
7m + 2n - 8p/n
~Substitute
7(4) + 2(2) - 8(1.5)/2
~Simplify
28 + 4 - 12/2
28 + 4 - 6
~Add
32
~Subtract
26
Best of Luck!