Level 3
A school paid a total of $432 for a group of students and their teachers for a zoo trip. The price of an adult ticket was $8 and a student ticket was $5. Given that there were 20 times as many students as teacher. How many students did the school pay for the zoo trip?
Level 3
A bag of 280 sweets were distributed to a group of boys and girls. Each boy received 3 sweets and each girl received 5 sweets. Given that there were thrice as many boys as girls, how many boys were there in the group?
Level 3
Mr Lim employed some welders and painters for his construction site. A painter was paid $20 a day and a welder was paid $35 a day. Given that he employed 4 times as many welders as painters and a total of $1280 was paid to these workers for the day, how many more welders than painters did Mr Lim employ for his site?
Level 3 Last month, Tim and Jen had the same amount of savings. This month, Jen saves $1800. As a result, she now has 5 times as much savings as Tim. What are their total savings now?
Level 3
A fruit stall had 3 times as many apples as oranges. After 15 oranges were sold, the number of apples became 12 times the number of the remaining oranges. How many oranges were there at the fruit stall at first?
