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 |
15.5 s |
(2) Bryan |
14.2 s |
(3) Adam |
14.7 s |
(4) Christian |
13.6 s |
(a)
1st in the race = (4) Christian
13.6 s2nd in the race = (2) Bryan
14.2 s3rd in the race = (3) Adam
14.7 s4th in the race = (1) David
15.5 s (1) David was the last in the race.
(b)
Total time taken by the 4 girls
= 15.5 + 14.2 + 14.7 + 13.6
= 58 s
Average time taken by the 4 girls
= 58 ÷ 4
= 14.5 s
Answer(s): (a) 1; (b) 14.5 s