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 |
14.2 s |
(2) Adam |
12.4 s |
(3) Bryan |
12.8 s |
(4) David |
13.5 s |
(a)
1st in the race = (2) Adam
12.4 s2nd in the race = (3) Bryan
12.8 s3rd in the race = (4) David
13.5 s4th in the race = (1) Christian
14.2 s (2) Adam was the first in the race.
(b)
Total time taken by the 4 students
= 14.2 + 12.4 + 12.8 + 13.5
= 52.9 s
Average time taken by the 4 students
= 52.9 ÷ 4
= 13.225 s
Answer(s): (a) 2; (b) 13.225 s