Raiyan I. answered 03/03/15
Tutor
5
(2)
Patient and Knowledgeable Medical School Student
Here you use order of operations to solve the problem. The rules are: 1. solve everything in parentheses 2. multiply and divide left to right 3. add and subtract left to right
(3)(18) - 20 / 4 - 13 =
54 - 20/4 - 13 =
54 - 5 - 13 = 36
Hope that helps!