PSLE The table shows the times taken by four girls 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 girls to complete the race?
Girls |
Time |
(1) David |
14.7 s |
(2) Adam |
13.6 s |
(3) Christian |
13.8 s |
(4) Bryan |
14 s |
(a)
1st in the race = (2) Adam
13.6 s2nd in the race = (3) Christian
13.8 s3rd in the race = (4) Bryan
14 s4th in the race = (1) David
14.7 s (2) Adam was the first in the race.
(b)
Total time taken by the 4 girls
= 14.7 + 13.6 + 13.8 + 14
= 56.1 s
Average time taken by the 4 girls
= 56.1 ÷ 4
= 14.025 s
Answer(s): (a) 2; (b) 14.025 s