Jigsaw Puzzles are tiling puzzles that require the assembly of some irregularly shaped, interlocking pieces of card in a regular and perfect shape that forms a complete picture. Jigsaw Puzzles are a ...
Anna, Britta and Christina work at a fruit stand at the market. A customer asks them about the prices of apples, pears and peaches. Anna says, “Seven apples and five pears cost the same as six peaches ...