A paint supplies shop sold equal volume of yellow and blue paint yesterday. All yellow paint comes in 4-litre containers and blue paint is sold in 5-litre. A tin of yellow paint costs $28 while a tin of blue paint costs $32. What was the smallest amount of money that the shop owner could have received yesterday?

A shop sells pens and files only in packs. A pack of 7 pens cost $28. A pack of 6 files cost $30. A student wants to buy an equal number of pens and files. What is the least amount that the student must pay?

Richard wants a paintbrush that costs $2.25, a set of paints that costs $4.75, and an easel that costs $17.75. Richard already has $2.40. How much more money does Richard need?

Laurence is painting the walls and ceiling of a rectangular bedroom that is 3 m by 4.5 m. The walls are 2.5 m high.There is a window measuring 1 m by 0.8 m on one wall and a door that is 1 m by 2.3 m in another wall.If a can of paint covers 20 m2 and costs $38.95, what will it cost Laurence for paint for this bedroom?

Peter's daughter wanted to decorate her room with her favourite colour, yellow. Peter had 18 2/3 cans of yellow paint stored in the garage. He used 8 1/3 cans to paint his daughter's room. How much yellow paint did Peter have left?Write your answer as a fraction or as a whole or mixed number.

Tracy bought some cans of paint and 1/2 of a litre of special paint additive formulated to reduce mildew. Before painting her house, she used all of the additive to put 1/6 of a litre of additive in each can. How many cans of paint did Tracy buy?Write your answer as a fraction or as a whole or mixed number.