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Liula [17]
4 years ago
11

A box of 21 holiday cards sells for $3.99. What is the unit price per card?

Mathematics
2 answers:
qaws [65]4 years ago
8 0

Answer:

i think its .19 hope it helps

Step-by-step explanation:

Andrei [34K]4 years ago
5 0

Answer:

5.26

Step-by-step explanation:

just add 0.02 0.19 3.78 5.26 the subtract 5.26 and 3.99

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The area of the rectangle will be 150 square meters.

<h3>What is an area?</h3>

The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the rectangle in a two-dimensional plane is called the area of the rectangle.

Given that:-

  • The length of a rectangle is 5 m longer than its width.
  • The perimeter of the rectangle is 50 m.

The area will be calculated as follows:-

From the given condition in the question, we can form two linear equations they are:-

The length of a rectangle is 5 m longer than its width.

L = w + 5

L - w = 5

The perimeter of the rectangle is 50 m.

P = 2 (L + w )

2 ( L+ w ) = 50

L + w = 25

by solving the two equations we will get the values of L and w.

L - w = 5  or w = L - 5

L + w = 25

L + L - 5 = 25

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L = 30 / 2

L = 15

Put the value of L in any equation to get w.

L - w = 5

15 - w = 5

w = 10

Now the area of the rectangle will be:-

A = L x w

A = 15 x 5

A = 150 square meters.

Therefore the area of the rectangle will be 150 square meters.

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