Two thirds of a number decreased by 27 is at least 9

The mathematical statement can be written as follows

which has solution as

⇒  

Step-by-step explanation:

Given:

Two thirds of a number decreased by 27 is at least 9.

This statement can be transformed into a mathematical statement.

Taking the unknown number as and putting the inequality as the result is at least 9.

So, we have

Adding 27 both sides

Multiplying both sides by 3.

Dividing both sides by 2.

∴