Question

The circle below shows the grades scored by students in Mr Halls first period class on a math test.

Based on the information in the hraph if 20 students in me halls third period class take the same test. Which of the following in the best prediction of how many more students will score c on test than. B in his third period class

Answer 1

4 more students

Explanation:

50 percent of 20 is 10 and 30 percent of 20 is 6 so 10-6=4

Answer 2

• 4 more students

Explanation:

C grade is 50% and B grade is 30%.

The difference is:

• 50% - 30% = 20%

If the number of students is 20, then the difference is:

• 20% of 20 =
• 20*20/100 =
• 4