Level 3
Mr Lee bought 8 boxes of apples at $11 per box. There were 56 apples in each box. He sold the apples at 7 for $3. How much profit did he make from the sale of all his apples?
Level 3
Esther spent 12 of her money on some pies and 37 of her remaining money on 8 buns. Each bun cost thrice as much as a pie. How many pies did she buy?
Level 3
Kay and Nelly had to finish the same number of worksheets. Kay did 9 worksheets per day. Nelly did 6 worksheets per day. When Kay finished doing all the worksheets, Nelly still had 21 more worksheets to do.
How many days did Kay take to finish all her worksheets?