Question

Pls help this is kinda hard and it’s due in 45 minutes

Answer 1

Answer:

16.8 inches

Step-by-step explanation:

Perimeter =2(length+width) so 2·(5.6+2.8)≈16.8

Answer 2

Answer and Step-by-step explanation:

First, write down what we know.

Length of Rectangle = $5\frac{3}{5}$

Width = $\frac{Length}{2}$

2 ways to solve this:

1st way:

If we convert the fraction into a decimal, then we can easily find the width.

$5\frac{3}{5}$ can be solved by making the mixed number into a improper fraction.

Multiply the denominator (5) by the whole number (5), then add the numerator (3). This number is 28. Replace the 3 with the 28, and now we have $\frac{28}{5}$. This number is equal to 5.6.

Now, we have to divide this number.

5.6 divided by 2 is equal to 2.8.

So, the width is equal to 2.8.

Now, we add the width and length together twice to get the perimeter of the rectangle.

2.8 + 2.8 + 5.6 + 5.6 = 16.8

So, the answer is A. 16.8 inches.

2nd way:

Since we know that the width is half of the length, we can just add the length by itself 3 times, since two of the widths combined will equal the length.

5.6 + 5.6 + 5.6 = 16.8

So, the answer is A. 16.8 inches.

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