Level 3
The average amount of money collected by a group of students at a flag day event was $125. When another 15 students turned up to help, the total amount donated increased by $1275 and the average amount of money collected became $113. How many students were there in the group at first?
Level 3
At a theme park, each adult ticket cost $25
and each child ticket cost $12.
On Monday, the number of adult tickets sold was 120 less than the number of child tickets.
On Tuesday, the number of adult tickets sold decreased by 10% while
the number of child tickets sold increased by 30%.
If a total of 816 tickets were sold on Tuesday,
how much money was collected on Monday?
Level 3
2 honeydews and 3 mangosteens cost $2.20 altogether. 5 honeydews and 5 mangosteens cost $4.40 altogether. How much do 10 honeydews cost? Give the answer to 2 decimal place.
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?
