Level 3
In a bakery, the prices of pastries are listed as follow:
The ratio of the number of scones sold to the number of puffs sold was 4 : 3. The ratio of the number of muffins sold to the number of puffs sold was 8 : 7. The bakery collected $80 more on the sales of muffins than the sales of scones.
  1. How many scones were sold?
  2. How much did the bakery collect from the sales of the pastries?
4 m
Level 2
If 200 g of salmon cost $6, how much will 2 kg of salmon cost?
2 m
Level 3
Annie had $2480. She spent 25% of her money on an air ticket to Vietnam and 14% of the remaining money on a luggage. How much had she left in the end?
3 m
Level 2
A cashier received $1932 for a month's work. She worked 12 hours a day and was paid $7 per hour. How many days did she work in that month?
2 m
Level 3
Molly, Nellie and Olivia had a sum of money. The amount of money Molly had was 45 of the amount of money Nellie had. The ratio of the amount of money Nellie had to the total amount of money Olivia and Nellie had was 3: 8. After Olivia gave $15 to Nellie, she had as much money as Nellie. How much more money did Olivia have than Molly in the end?
4 m