in Singapore, the edusave scholarship is given out to top 10% of students within each level and stream in every school. There was an increase in the value of the award from 2008 to 2009. The table shows the value of this award for each level in 2008 and 2009.
i) Given that there was an increase of 30% in the value of the award from 2008 to 2009 for a secondary 1 student in the top 5% find the value of the award for a secondary 1 student in the top 5% in 2009.
ii) Find the percentage increase in the value of the award from 2008 to 2009 for a primary 4 student in the next 5%.
Attachments:
Answers
Answered by
8
Answer:
Let the total number of students of the school in the year 1998−1999 be x.
∴ Number of students in the year 1999−2000=x+20% of x=x+
100
20
×x=x+
5
x
=
5
6x
Similarly no. of students in the year 2000−2001=
5
6x
+30% of
5
6x
=
5
6x
+
100
30
×
5
6x
=
50
78x
∴ Effective increase in number of students=
50
78x
−x=
50
28x
Thus, effective percentage increase=
Originalnumberofstudents
Increaseinnumberofstudents
×100=
x
50
28x
×100=56%
Answer
Similar questions