45 years.

Let X equal the time left on the lease (which makes "time past" equal to 99-X). Set up the equation:

2/3 * (99-X) = 4/5 * X

Solve for X to get the answer.

Let X equal the time left on the lease (which makes "time past" equal to 99-X). Set up the equation:

2/3 * (99-X) = 4/5 * X

Solve for X to get the answer.

Turkeys can't fly.

How many F's are in the previous sentence?

6 ÷ 2 (1 + 2) =?

9

6 ÷ 2 = 3, 1 + 2 = 3

3 (3) = 9

What number am I?

Seven.

What am I?

A plant.

What are the siblings names?

1st-Water

2nd-Fire

3rd-Earth

4th-Wind

Three.

Window.

What am I?

An onion.

What am I?

Any number.