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 13 students. Gabriel won a prize. What was the lowest he could have scored?
Score |
14 |
17 |
18 |
19 |
20 |
23 |
25 |
Students |
1 |
4 |
8 |
13 |
7 |
4 |
2 |
Score |
14 |
17 |
18 |
19 |
20 |
23 |
25 |
|
|
|
|
|
Winners |
Students |
1 |
4 |
8 |
13 |
7 |
4 |
2 |
If the winning score is 25, number of winners = 2
If the winning score is 23, number of winners = 2 + 4 = 6
If the winning score is 20, number of winners = 2 + 4 + 7 = 13
Since there are 13 winners, the lowest score that Gabriel could have scored = 20
Answer(s): 20