1. A builder was asked to design a walkway. The perimeter of the walkway is 70m and the area of the walkway is 250m² .

The width of the walkway is greater than the length.

Calculate the length of the walkway.

The length of the walkway is ________________metres

2. A builder was asked to design a walkway. The perimeter of the walkway is 70m and the area of the walkway is 250m² .

The width of the walkway is greater than the length.

Calculate the width of the walkway.

The width of the walkway is ________________metres

3. A builder was asked to design a walkway. The perimeter of the walkway is 70m and the area of the walkway is 250m² .

The builder needs to tile the surface of the walkway.

Calculate the cost of tiling the walkway if tiles are sold at $1,000 per metre square.

Cost of tiling the walkway is $ ____________