
David W. answered 08/26/16
Tutor
4.7
(90)
Experienced Prof
60÷5(7-5)
60 / 5 * (7 - 5) [rewrite; note that '*' is implied]
60 / 5 * (2) [Use P-E-M-D-A-S; evaluate what is in Parentheses first]
60 / 5 * 2 [Remove parentheses when complete.]
12 * 2 [now, Divide]
24 [then Multiply]
Note, once a value is replaced, re-start scanning that string.
Parenthesis
Exponent
Multiply or Divide, left-to-right
Add or Subtract, left-to-right