Write it like; part a: part b: part c:

Part A: 32% of 850 = 272.
272 of the teens like hard rock.

Part B: 150 / 3 = 50 ; 50 x 4 = 200.
200 students surveyed total.

Part C: If a city normally gets 20 inches of rain, and this year there was 25 inches, and the percent were used to compare the amount of rain, the percentage would be above 100%.