Level 3
Adam has some blue stickers and red stickers.
If Adam gives away 50 blue stickers,
the blue stickers will be 10% as many as the red stickers.
If Adam gives away 250 red stickers,
the blue stickers will be 40% as many as the red stickers.

1. How many blue stickers are there?
2. How many red stickers are there?

Level 3
Adam has some blue stickers and red stickers.
If Adam receives another 50 blue stickers,
the blue stickers will be 50% as many as the red stickers.
If Adam gives away 50 red stickers,
the blue stickers will be 40% as many as the red stickers.

1. How many blue stickers are there?
2. How many red stickers are there?

Level 3
The ratio of the number of papayas to the number of peaches that a fruit seller had was 5 : 11. After he sold half of the peaches, there were a total of 252 papayas and peaches left at the fruit stall.

1. How many papayas were there at the stall?
2. If he sold the remaining peaches in bags of 6 at $3.50 per bag, how much would he receive for them?

Level 2
Adam and Bryan have some money in the ratio of 2 : 5
After Adam receives $400,
the amount that Adam has becomes is ²₃ that of Bryan's.

1. How much does Adam have at first?
2. How much does Bryan have?
3. How much less does Adam have than Bryan in the end?

Level 2
Adam and Bryan have some money in the ratio of 5 : 4
After Adam spends $700,
the amount that Adam has left is ²₃ that of Bryan's.

1. How much does Adam have at first?
2. How much does Bryan have?
3. How much less does Adam have than Bryan in the end?

Level 3
The number of banana puffs Caden baked was ⁴₇ of the total number of puffs. After baking another 98 banana puffs, the number of banana puffs became ⁶₇ of the total number of puffs. How many puffs did she bake at first?

Level 3
A drink stall had 66 small and big packets of green tea. The number of small packets is ²₉ of the number of big packets. After selling a few big packets of green tea, there are ¹₄ as many small packets as big packets left. How many big packets of green tea were sold?

Level 3
There was an equal number of tables and chairs in the morning. At noon, some tables were added and some chairs were removed, resulting in the number of tables being increased by 20% while the number of chairs decreased by 30%. At 7 p.m. the number of tables increased by 50%. If a total of 32 tables were added during the day, how many more tables than chairs were there in the end?

Level 3
A convenience store sold crabstick, salmon and egg mayo sandwiches. The ratio of the number of crabstick sandwiches made to the total number of sandwiches made was 3 : 7. The ratio of the number of salmon sandwiches made to the total number of sandwiches made was 1 : 5. After the store sold some crabstick sandwiches and made another 42 salmon sandwiches, there was an equal number of crabstick, salmon and egg mayo sandwiches left. Find the number of crabstick sandwiches sold.

Level 3
Howard sold 57 more blueberry muffins than banana muffins on Thursday. On Friday, the number of banana muffins he sold decreased by 80% while the number of blueberry muffins he sold remained the same. He sold each tart for $1.80. He sold a total of 153 muffins on Friday. How much money did he receive from the sale of muffins on both days?