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const2013 [10]
3 years ago
11

The length of a rectangular deck is 3 times its width. If the deck Perimeter is 32 feet what is the deck area

Mathematics
1 answer:
yaroslaw [1]3 years ago
7 0

Answer:

48 square feet

Step-by-step explanation:

First, make an equation for the perimeter. W is the width and since the length is three times the width it is 3W. W+3W+W+3W=32. Add like terms and you get 8W=32. 32 divided by 8 is 4 so the width is four. 4x3 is 12 so the length is 12. you get area by multiply length and width so 12x4 is 48.

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Answer:

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Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
Cammie can mow 1/2 acre in 25 minutes. If her rate is constant, Cammie says she can mow 1 1/4 acres in one hour. Is Cammie corre
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Step-by-step explanation:

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2. The denominator does not change.

Then:

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Let be "x" the acres Cammie can mow in one hour.

You know that she can mow \frac{1}{2}\ acre in 25 minutes, then you can set up the following proportion (Remember that 1 hour has 60 minutes):

\frac{\frac{1}{2}}{25}=\frac{x}{60}

Solving for "x", you get:

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2. The remainder is 1. This will be the numerator.

3. The denominator does not change.

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zvonat [6]
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