Unit 5 Lesson 5: Exercise 3

1) At Furnace Woods School, enrollment increased from 320 students in 2006 to 349 students in 2007. What is the percentage increase in enrollment?

2) A house was bought for $189,000 and sold for $235,000 the next year. Calculate the percentage increase.

3) A computer store offered a $15 discount on a game which was originally sold at $69.95. What percentage discount was this?

4) A netball usually marked at $39.95 is offered for sale at $29.95. What percentage discount is this?

5) A house appreciates at a rate of 7 ½ % per annum. If the house is now worth $540,000, find its value at the end of one year?

6) In 2002, the migrant intake of a country increased by 6% form the year before. If the migrant intake of 2001 was 79,000, how many migrants arrived in 2002?

7) A green grocer bought a carton of 24 dozen apples in which 84 were bad. Calculate the percentage wastage?

8) Simon’s pay increased from $532.78 per week to $544.16 per week. What percentage increase was this?

9) A plant was measured at the beginning of the week and had increase in height by 85 mm. Calculate the percentage increase if its initial height was 50 mm.

10) A calculator wrist watch marked at $69.98 is advertised at a discount of $15. What percentage discount is this, to the nearest whole percentage?