First, let's find out how much of the land was cleared for planting. The farmer cleared 90% of the total land for planting.

Cleared land = 90% of total land
Cleared land = 0.90 * 4999.999999999999 acres

Now, let's calculate the amount of cleared land that was planted with grapes and potato.

Grapes land = 10% of cleared land
Grapes land = 0.10 * Cleared land

Potato land = 80% of cleared land
Potato land = 0.80 * Cleared land

The remaining cleared land was planted with tomato. So, the tomato land is the cleared land minus the land planted with grapes and potato.

Tomato land = Cleared land - (Grapes land + Potato land)

Let's calculate the actual numbers:

Cleared land = 0.90 * 4999.999999999999 acres
Cleared land ≈ 0.90 * 5000 acres (for simplicity, since the number is very close to 5000)
Cleared land ≈ 4500 acres

Grapes land = 0.10 * 4500 acres
Grapes land = 450 acres

Potato land = 0.80 * 4500 acres
Potato land = 3600 acres

Now, we can find the tomato land:

Tomato land = Cleared land - (Grapes land + Potato land)
Tomato land = 4500 acres - (450 acres + 3600 acres)
Tomato land = 4500 acres - 4050 acres
Tomato land = 450 acres

Therefore, 450 acres of cleared land were planted with tomato.
먼저, 얼마나 많은 땅이 식목을 위해 개간되었는지 알아봅시다. 농부는 총 면적의 90%를 개간했습니다.

개간된 땅 = 전체 땅의 90%
개간된 땅 = 0.90 * 4999.99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999