PSLE The table shows the times taken by four students to complete a race.
- Who was the first in the race? Give your answer in number. (Eg 1)
- What was the average time taken by the 4 students to complete the race?
Students |
Time |
(1) Christian |
13.1 s |
(2) Adam |
11.6 s |
(3) Bryan |
11.9 s |
(4) David |
12.5 s |
(a)
1st in the race = (2) Adam
11.6 s2nd in the race = (3) Bryan
11.9 s3rd in the race = (4) David
12.5 s4th in the race = (1) Christian
13.1 s (2) Adam was the first in the race.
(b)
Total time taken by the 4 students
= 13.1 + 11.6 + 11.9 + 12.5
= 49.1 s
Average time taken by the 4 students
= 49.1 ÷ 4
= 12.275 s
Answer(s): (a) 2; (b) 12.275 s