Level 3
Jane's savings is 20% more than Darwin's savings. If Jane's savings is decreased by 20%, their total savings will be $980. How much is Jane's savings?
Level 3
There was an equal number of tables and chairs in the morning. At noon, some tables were added and some chairs were removed, resulting in the number of tables being increased by 20% while the number of chairs decreased by 30%. At 7 p.m. the number of tables increased by 50%. If a total of 32 tables were added during the day, how many more tables than chairs were there in the end?
Level 3
Wilfred saves 10% of his allowance. When his allowance was increased by 20%, his savings rose proportionately to $180. What was his original allowance?
Level 3
Wilfred saves 10% of his allowance. When his allowance was decreased by 20%, his savings decreased proportionately to $80. What was his original allowance?
Level 3
A rectangle is 25 cm long and 20 cm wide. Its length is now increased by 40% and its breadth is increased by 50%. Find the perimeter of the new rectangle.
Level 3
Jane gave 10% of her collection of pens to Colleen thereby increasing Colleen's collection by 25%. If Jane had 45 pens left, how many pens did Collen have at first?
Level 3
At the pet shelter, the rabbit population increased by 20% in the second month and then by a further 30% in the next 2 months. If there were 585 rabbits in the end, how many rabbits were there at the pet shelter at first?
