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) Adam |
11.6 s |
(2) Bryan |
10.6 s |
(3) David |
11.4 s |
(4) Christian |
10.1 s |
(a)
1st in the race = (4) Christian
10.1 s2nd in the race = (2) Bryan
10.6 s3rd in the race = (3) David
11.4 s4th in the race = (1) Adam
11.6 s (1) Adam was the last in the race.
(b)
Total time taken by the 4 girls
= 11.6 + 10.6 + 11.4 + 10.1
= 43.7 s
Average time taken by the 4 girls
= 43.7 ÷ 4
= 10.925 s
Answer(s): (a) 1; (b) 10.925 s