The first floor of a building is a garage (not for external sales for the time being), and the second to twenty-third floors are commercial houses (for external sales). The price scheme of commercial

The first floor of a building is a garage (not for external sales for the time being), and the second to twenty-third floors are commercial houses (for external sales). The price scheme of commercial housing is as follows: the price of the eighth floor. Solution: (1) When ≤,

When,

When ≤,

∴ ?

(2)∵ Buy the 8th floor. According to Option 1, you need funds:

Small commercial housing is above the eighth floor, while small commercial housing is on the first floor.

So what's the solution? ?

Most small commercial houses 16 floors?

(3) If Lao Wang buys a commercial house with floor 16 according to Scheme 2,

The required funds are: (yuan)

If Lao Wang buys a commercial house with a floor of 16 according to the preferential scheme,

The required funds are: (yuan)

At that time, Lao Wang's statement was correct;

At that time, Lao Wang had as many suggestions as others;

At that time, Lao Wang's statement was incorrect.