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cluponka [151]
2 years ago
13

A trader sold 90 oranges at 3 for GHC 0.75.

Mathematics
1 answer:
statuscvo [17]2 years ago
7 0

Answer:

GHC22.5

Step-by-step explanation:

90/3=30

30=0.75

30×0.75

=<u>2</u><u>2</u><u>.</u><u>5</u>

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The width of a rectangle is 12 inches more than the length. The perimeter is 76 inches. Find the width and the length.
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Answer:

The length of the rectangle is 13 inches and its width (13 + 12) is 25 inches.

Step-by-step explanation:

You have to consider the formula of the perimeter = 2·length + 2·width.

If we call "x" to the length ⇒ width = x + 12 .

Perimeter = 2x + 2·(x + 12) ⇒ Perimeter = 2x + 2x + 24

⇒Perimeter = 4x + 24. ⇒ 76 = 4x + 24 ⇒ 76 - 24 = 4x ⇒52 = 4x

⇒ 52/4 = x ⇒ x = 13.

So, the length of the rectangle is 13 inches and its width (13 + 12) is 25 inches.

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