4. A walkway needs 15 cm of gravel and 10 cm of sand.The walkway measures 15 m by .5 m. How much s and how much gravel needs to be ordered.

1. A homeowner would like to put a brick edge around a front garden. The garden measures 10 m by 3 m.Each brick is 15 cm long. How many bricks do you need to order?

2. The homeowner would like to put a brick edge around a fire pit. The fire brick measures 5 m across.Each brick is 40 cm long. How many bricks do you needs?

3. The homeowner would like to put down an interlock brick pathway. The path measures 120 cm by 600 cm. How many bricks would you need if they each are 30 cm by 50 cm?