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Scrat [10]
3 years ago
12

You paint four walls. Each wall is a rectangle with a length of 20 feet and a height of 10 feet. One gallon of paint covers abou

t 330 square feet. How many gallons of paint do you need in order to cover the walls? Explain.
Mathematics
1 answer:
Sphinxa [80]3 years ago
6 0

Answer:

Step-by-step explanation:

20 x 10= 200 ft

1 gallon is 330 ft

paint 4 walls

200 x 4

800 ft/ 330

You would need 2.434 gallons of paint.

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A-4/5 = 12 what is a and show the work
topjm [15]

Solving a-\frac{4}{5}=12 we get a=\frac{64}{5}

Step-by-step explanation:

We need to find the value of a. We are given:

a-\frac{4}{5}=12

Solving:

a-\frac{4}{5}=12\\Add\,\,\frac{4}{5}\,\,on\,\,both\,\,sides:\\a-\frac{4}{5}+\frac{4}{5}=12+\frac{4}{5}\\a=12+\frac{4}{5}\\Taking\,\,LCM:\\a=\frac{12*5+4}{5}\\a=\frac{60+4}{5}\\a=\frac{64}{5}

So, Solving a-\frac{4}{5}=12 we get a=\frac{64}{5}

Keywords: Solving Expressions

Learn more about Solving Expressions  at:

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The smallest prime number that is a foctor of 15
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The factors of 15 are 1, 3, 5 and 15. Now, as 1 is neither prime and nor a composite number (1 is not Prime because for a number to be a prime, it should have exact 2 factors i.e. 1 and itself, but 1 has only one factor. Therefore 1 is not prime.)

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