PSLE The table shows the number of students with the following scores. A higher score means a better performance. Prizes were given to the top 21 students. John won a prize. What was the lowest he could have scored?
Score |
34 |
36 |
39 |
40 |
41 |
44 |
47 |
50 |
Students |
3 |
8 |
15 |
16 |
12 |
9 |
7 |
5 |
Score |
34 |
36 |
39 |
40 |
41 |
44 |
47 |
50 |
|
|
|
|
|
|
Winners |
Students |
3 |
8 |
15 |
16 |
12 |
9 |
7 |
5 |
If the winning score is 50, number of winners = 5
If the winning score is 47, number of winners = 5 + 7 = 12
If the winning score is 44, number of winners = 5 + 7 + 9 = 21
Since there are 21 winners, the lowest score that John could have scored = 44
Answer(s): 44