Level 3
Irene has enough flour to bake either 21a tarts or 18 biscuits. If she has finished baking 5a tarts and 6 biscuits, how many more tarts can she still bake in terms of a?
Level 2
A room can hold either 45 adults or 75 children. If there are already 25 children and 8 adults in the room, how many more adults can the room hold?
Level 3
Jareth wants to make butter cookies using the recipe. To make 20 cookies, you need 125 g of butter, 200 g of flour and 50 g of sugar. He has 500 g of butter, 250 g of sugar and 1 kg of flour. What is the greatest number of cookies he can make?
Level 3
Stephanie uses the recipe to make Macaroni and Cheese. She has 1200 g of macaroni, 460 g of cheese and 275 g of butter. What is the maximum number of people that she can prepare the Macaroni and Cheese for?
Level 3
Stephanie uses the recipe to make Macaroni and Cheese. She has 1200 g of macaroni, 460 g of cheese and 275 g of butter. What is the maximum number of people that she can prepare the Macaroni and Cheese for?