arning Task 2: Use a decimal to find the percentage of each number. Use formula P= Rxb 1. 3% of 21 = 2. 23% of 50 = 3. 8 % of 650 4. Solve the following percentage problems. Answer this in your notebook Fifty-six percent of people surveyed said that they exercised on a fairly regular basis. If 7 500 people were surveyed, how many of the exercise?