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3 years ago

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Putting square tiles on the floor cost $6.50 per square foot. Determine the cost of putting down a 12 by 12 square foot floor pl

an.

1 answer:

Svetradugi [14.3K]3 years ago

3 0

Answer:

12 × 12 = 144 square foot

1 square foot = $6.50

144 square foot = $6.50 × 144

= $936

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A 70 cm long stick is cut into two parts in such a way that the longer part is 20 cm longer than the shorter part. How long is e

Pachacha [2.7K]

Answer:

The longer part is <u>45 cm</u> long and the shorter part is <u>25 cm</u> long.

Step-by-step explanation:

Given:

A 70 cm long stick is cut into two parts in such a way that the longer part is 20 cm longer than the shorter part.

Now, to find the length of each part of the stick.

Let the shorter part be $x.$

So, the longer part is $x+20.$

Total length of the stick = 70 cm.

Now, to get the length of each part we solve an equation:

$(x)+(x+20)=70\\\\x+x+20=70\\\\2x+20=70\\\\Subtracting\ both\ sides\ by\ 20\ we\ get:\\\\2x=50\\\\Dividing\ both\ sides\ by\ 2\ we\ get:\\\\x=25.$

<em>The length of the shorter part is 25 cm.</em>

Now, substituting the value of $x$ :

$x+20\\\\=25+20\\\\=45\ cm.$

<em>The length of longer part is 45 cm.</em>

Therefore, the longer part is 45 cm long and the shorter part is 25 cm long.

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