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3 years ago

11

Each can of paint will cover 450 tiles. Augustin is painting 300 tiles in his bathroom, 675 in his kitchen, and 100 in his hallw

ay. How many cans of paint does he need to buy? Write and answer the hidden question then solve.

1 answer:

Schach [20]3 years ago

6 0

Total titles(t)=450
1,075/450= 2.39~ 3 cans of paint
You can't have a can of half a paint, so it's 3 cans.

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The perimeter of a triangle is 65 meters. The second side is 5 meters less than the first side.The third side is 7 meters more t

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Step-by-step explanation:

Perimeter of triangle = 65 meters

Let

First side of triangle = x

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Third side of triangle = x+7 (The third side is 7 meters more than the first side.)

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$\mathbf{Perimeter\:of\:triangle=Sum\:of\:all\:sides\:of\:triangle}$

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$Perimeter\:of\:triangle=Sum\:of\:all\:sides\:of\:triangle\\65=x+x-5+x+7\\65=3x+2\\Switching\:sides\\3x+2=65\\Subtracting\:2\:from\:both\:sides\\3x+2-2=65-2\\3x=65-2\\3x=63\\Divide\:both\:sides\:by\:x\\\frac{3x}{3}=\frac{63}{3}\\x=21$

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