# Four pavers

Four pavers would pave the square in 18 days. How many pavers do you need to add to done work in 12 days?

**Result****Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):**

**Showing 3 comments:**

**Idk**

the answer should be 6,

the total "power" (as I like to call it) is 4 x 18, which is 72.

You divide that by 12, giving you six.

The calculator is wrong. Six pavers are needed.

the total "power" (as I like to call it) is 4 x 18, which is 72.

You divide that by 12, giving you six.

The calculator is wrong. Six pavers are needed.

**User**

Re @idk

4 * 18 = 12(4+n)

72 = 12(4+n)

-----------------

12

6 -4 =4 - 4+n

6 - 4 = n

2 = n

4 * 18 = 12(4+n)

72 = 12(4+n)

-----------------

12

6 -4 =4 - 4+n

6 - 4 = n

2 = n

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