121 is a Rational number .
Answer:
The required paint for a total of
is approximate 6 gallons
Step-by-step explanation:
we know that
To find how much paint would I need to buy to paint the walls of all three bedrooms, calculate the area of all three bedrooms
<em>Master Bedroom</em>
The area is equal to

<em>2 Bedroom</em>
The area is equal to

<em>3 Bedroom</em>
The area is equal to

The total area is equal to
A=A1+A2+A3

Approximate one gallon of paint covers 250 square feet
so

The value of x=1
Step-by-step explanation:
Given the equations as :
-2x + y= 8
5x - y= -5 ------adding the equations
---------------------
3x = 3 -------dividing both sides by 3
x = 1
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Simultaneous equations : brainly.com/question/12318095
Keywords : equations, system, value
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The answer is $295. I also added my work below!