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AlekseyPX
4 years ago
5

If one gallon of paint covers 825 sq. ft., how much paint is needed to cover 2640 sq. ft.

Mathematics
2 answers:
Ray Of Light [21]4 years ago
6 0
3.2 gallons of paint is needed since 2640 divided by 825 = 3.2 
torisob [31]4 years ago
6 0
The answer is 4 gallons because you need enough paint to cover the space and when you divide 2640 and 825 it gives you 3.2121212121 but like i said before you need enough paint to cover the space
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I need help and steps of how u got it
Gnom [1K]

Answer:

A)  4

Step-by-step explanation:

There are a couple of ways to get this but this is how I did it:

1.  Multiply the second equation by 1/4 to get the same fraction for y as the one in the first equation

1/4 x + 1/8 y = 2

1/4 (1/3 x + 1/2 y = 4)

1/12 x + 1/8 y = 1

2.  Subtract the first equation from the new equation

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<u>    - 1/4 x - 1/8 y = -2</u>

-1/6 x= -1

3.  Divide both sides by -1/6

  <u>-1/6</u> x= <u>-1</u>

   -1/6    -1/6

     x = 6

4. Substitute 4 in for x in the original equation:

1/4 (6) + 1/8y = 2

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3 0
4 years ago
To solve the inequality 4x &lt; 8, you would divide both sides of the inequality by 4.
KiRa [710]

Answer:

True

Step-by-step explanation:

4x<8

divide

x<2

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