Level 3
There were 4 more girls than boys in the classroom. Excluding 2 boys, the number of boys was 56 of the number of girls. When another 4 girls joined, what fraction of the pupils were girls? Give the answer in its simplest form.
Level 3
The cost price of a shirt is 30% less than that of the jacket. A profit of 25% is made when the jacket is sold for $50. What is the cost price of the shirt?
Level 3
In a supermarket, 65% of the number of vegetables sold were carrots and the rest were potatoes. Each carrot cost 50¢ and each potato cost 10¢ less than the cost of each carrot. Given that $195.30 was collected from the sale of the fruits,
how many carrot were sold?
how much was collected from the sale of the potatoes only?