The basic common knowledge, even you don't go to school 50 - 5 X 2 = 30 not 80 12 + 5 x 2 = 22 not 34 When solving a problem, multiplication and division always take precedence over addition and subtraction. Comments phi1ar said It's not discriminatory, People in English are generally weak in math ex) 6 + 10 X 2 + 10 / 2…