GEOMETRY

DIVIDE THE TRAPEZOID INTO TWOHow can you divide the trapezoid into two parts so that after being folded,they will form a triangle? CUTTING THE FIGURE INTO THREEA plane figure consists of two squares such that AB = BC (see figure).Divide the figure with two perpendicular cuttings so that after translation ofthe three parts, they form …

EQUATIONS

THE CHINESE AND THEIR BICYCLES. In a certain Chinese village live 29 families. Each family has one, two or three bicycles. There are as many families owning three bicycles as families with only one. How many bicycles are there in the village?