Level 2
The average number of cookies in Box A, Box B and Box C is 37. Box A has 33 cookies. The number of cookies in Box B is twice the number of cookies in Box C. What is the number of cookies in Box C?
Level 3
A box is 400 g when it is 13 filled with stickers.
The same box is 700 g when it is 35 filled with stickers.
What is the mass of the empty box?
Level 2
The average height of a persimmon tree, a mango tree and a coconut tree is 2.8 m. The coconut tree is twice as tall as the mango tree and 1.6 m taller than the persimmon tree. Find the average height of the persimmon tree and the mango tree.
Level 2
After Jenson spent 20% of his money, the amount of money he had left was $324 more than the amount he had spent. How much money had Jenson at first?
Level 2
Natalie, Emily, Henry and Aaron have an average of $50. The total amount Natalie and Emily have is $36 more than the total amount Henry and Aaron have. Natalie has $35. How much does Emily have?
Level 2
Adam spends 14 of his money on some stickers.
He spends 13 of his remaining money on some marbles.
He spends a total of $200.
How much does Adam have at first?
Level 2
Ethan buys a jumpsuit, a blouse and a dress. The average cost of these items is $82. The cost of the dress is four times the total cost of the jumpsuit and the blouse. If the jumpsuit costs $14, find the difference in cost between the blouse and the dress.
