Question

John needs to buy at least 100 tiles to redecorate his bathroom. The tiles are sold in packs of 6.

In which inequality does n represent the minimum number of packs John needs to buy for his bathroom?

Answer 1

Answer:
`n\geq17`

Explanation:

Let n= Number of packs John needs.

Tiles in 1 pack = 6

Tiles in n pack = 6n

If he needs at least 100 tiles.

then

6n ≥ 100

`\Rightarrow\ n\geq100\\\\\Rightarrow\ n\geq(100)/(6)\\\\\Rightarrow\ n\geq(50)/(3)\\\\\Rightarrow\ n\geq16.67\\\\\Rightarrow\ n\geq 17`

The required inequality:
`n\geq17`