Case 6-2 Robin thinks that she has a good handle on the use of compound operators but she wants to do a couple of sample problems just to make certain. In both of the problems below, Robin assumes that intResult = 24. When Robin correctly calculates intResult -=3, what value does she get?
A) 18
B) 21
C) 72
D) None of the above

Question

Quizplus · Accepted Answer

intResult -=3 is equivalent to intResult = intResult - 3. Therefore, intResult -=3 where intResult = 24 would result in: intResult = 24 - 3 = 21. Therefore, the correct answer is B.

Case 6-2 Robin Thinks That She Has a Good Handle