<h2><em>PEMDAS</em></h2><h2><em>Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction. Use this for the Order in which you do the work,</em></h2><h2><em>3 x 2 = 6. 6 / 3 = 2. 2 is your Answer. You could have done that with a calculator.</em></h2>
Well you would first add 5/13 and 2/13, so 7/13. Then you would subtract 7 from 13. So your answer would be 6/13. Hope that helped!
Answer:
the answer for number 1 is 18
the answer for number 2 is 14
the answer for number 3 is 50