Percentage P6 2009 SA2 P2 MGS Q4

4. The statistics below shows the number of live-births registered in Singapore in the months of February and March 2008.

What is the percentage increase in live-births from February to March? Rounded off your answer to 2 decimal places.

3174 – 2981 = 193

193/2981 ≈ 6.47%

Percentage P6 2009 SA1 P2 MGS Q13

13. At an enrichment camp, the number of boys was 45% of the number of girls. When 20% of the boys left the camp, there were 192 more girls than boys. How many children were at the camp at first?

G -- > 100%

B -- > 45%

20% x 45% = 9%

45 – 9 = 36

100 – 36 = 64

64% -- > 192

145% -- > 145/64 x 192 = 435 children

There were 435 children at the camp at first.