# Brick wall

A garden 70 m long and 48 m wide should surround by a wall 2.1 meters high and 30 cm thick. The bricklayer will build a wall on the garden ground. How many will we need if 300 bricks are required for approximately one m³?

### Correct answer:

**Showing 2 comments:**

**Math student**

unprecise - need to know if wall needs to be build ON garden-ground (like in the solution) or if wall should enclose whole garden - in that case:

2.1 * ( 2 * 48 + 2 * 70 ) * 0.3 * 300 = 44604 does the trick

2.1 * ( 2 * 48 + 2 * 70 ) * 0.3 * 300 = 44604 does the trick

**Dr Math**

thank you, we corrected the wording of the problem. But your solutions 44604 tricks is also wrong because in the corners some bricks are not counted.

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