For this case we have the following fraction:

Dividing the numerator and the denominator between 3 we have:

Then, multiplying the numerator and the denominator by 4 we have:

We observe that we have a number divided by 100. Therefore, we must move the comma two units to the left:

Answer:
The number in its decimal form is given by:

Answer:
Step-by-step explanation: what exactly are you asking?
Answer:
27
Step-by-step explanation:
3x + 9 = 90
3x = 81
x = 27