Level 2
The ratio of Tim's money to Carl's money is 3 : 5. If Carl has $845, how much must he give to Tim so both will have the equal amount of money?

Level 3
The number of boys and girls in a hall were in the ratio 2 : 7. After 15 boys entered the hall and half the number of girls left the hall, the ratio of the number of boys to girls became 1 : 1. How many children were there in the hall at first?

Level 2
Olivia and Fiona shared a box of chocolates. Olivia had 72% of the total chocolates. if Olivia gave 66 of her chocolates to Fiona, both would have the same number of chocolates. How many chocolates did Olivia have?

Level 2
Fill in the blanks in units (Eg 3 u) or unit equations (Eg 1 u + 2).

Adam and Bryan have some stickers.
When Bryan uses ¹₃ of his stickers and
Adam buys another 20 stickers,
they have the same number of stickers each.

Let the number of stickers that Bryan has in the end be 2 u.

1. Number of stickers that Adam has in the end = _____
2. Number of stickers that Bryan has at first = _____
3. Number of stickers that Adam has at first = _____
4. Total number of stickers that they have at first = _____

Level 3
Fill in the blanks in units, decimal units or unit equations. (Eg 3 u OR 1.2 u OR 1 u + 2)
Adam, Bryan and Chris have some stickers.
After Adam's number of stickers is doubled,
Bryan's number of stickers is increased by 10 and
Chris' number of stickers is reduced by 8,
the ratio of the number of stickers of Adam to Bryan to Chris becomes the same.
Let the number of stickers that Adam has in the end be 1 u.

1. Number of stickers that Adam has at first = _____
2. Number of stickers that Bryan has at first = _____
3. Number of stickers that Chris has at first = _____
4. Total number of stickers that they have at first = _____

Level 2
May and Dora had $n altogether. After May gave $12 to Dora, each of them had the same amount of money. How much did Dora have at first?

Level 3
Olivia has 60% as many erasers as Penny. Penny has 180% as many erasers as Kate. If Penny gives 30 erasers to Kate, both will then have an equal number of erasers. Find the average number of erasers the three of them have.

Level 3
Queenie and Violet collect pens. Queenie gave 50% of her pens to Violet and as a result, Violet's pens increased by 40%. If Queenie has 84 pens left, find the number of pens Violet must give to Queenie in the end so that they have equal number of pens.

Level 2
Last week, Fred had a total of 334 yellow and red pens. Two weeks later, he sold ²₃ of all the yellow pens and 82 red pens. Now he has the same number of yellow and red pens. How many pens does he have in the end?

Level 3
At a fruit stall, there were 399 mangosteens and lemons at first. ³₄ of the mangosteens and ²₃ of the lemons were sold. In the end, there were same number of mangosteens and lemons. How many more mangosteens than lemons were sold?