Level 3
Tabitha wanted to buy some cookies and brownies. The cost of a cookie was ³₄ the cost of a brownie. A set of 3 cookies and 2 brownies cost $5.10. What was the total amount Tabitha had to pay for 17 cookies and 10 brownies?

Level 3
There are 177 boys and girls altogether. ²₃ of the number of boys is 18 more than the number of girls.

1. How many boys are there?
2. How many more boys than girls are there?

Level 3
Ana bought pieces of paper to make 3 lanterns. She used ¹₅ of the pieces of paper on the first lantern. She used 40 more pieces of paper on the second lantern than the first lantern. She used the remaining 65 pieces of paper on the last lantern. How many pieces of papers did she buy?

Level 3
Class A, B and C were given some chocolate bars to sell for their fundraising event. The average number of chocolate bars the 3 classes had at first was 225. After Class B sold twice as many chocolate bars as Class A and Class C sold ³₄ as many chocolate bars as Class B, the average number of chocolate bars the 3 classes had left was 45. How many chocolate bars did Class A and Class C sell altogether?

Level 3
Siti had some stickers at first. She gave ²₉ of her stickers to her brother and ¹₆ of her stickers to her best friend. After that, her mother gave her another 10 stickers. She had 87 stickers in the end. How many stickers did Siti have at first?