Hello again. :)
Step 1: Make both fractions have common denominators. (24/60 and 25/60)
Step 2: Add the fractions. (49/60)
Step 3: Subtract 49 from 60. (11/60)
Step 4: The answer is B.
Hope this helps! <span>\(≧▽≦)/</span>
To isolate the variable here is what you would do:
−5c= 
Step 1: Divide both sides by -5.
=
(A five was supposed to go underneath the 24 to show the division but whatever)
Answer: c=
the correct answer is $948
12.18 that is the answer to the question