There are 25 students in a class. 20% of the the students are in a club. How many students are in a club?

Mathematics

2 answers:

Pachacha [2.7K]3 years ago

8 0

Answer:

5 students are in a club.

Step-by-step explanation:

To do 20% of 25, you must first move the % until all numbers are on the right side of the decimal.

Observe: 20% ---> 0.20 aka 0.2

Now, you must take 0.2 and multiply it by 25 to get 20% of 25.

0.2 x 25 = 5

There's your answer, 5 students in a club :)

Stolb23 [73]3 years ago

6 0

Answer:

Step-by-step explanation:

When taking a percent of a number, multiply the number by the percent divided by a hundred:

$25 * \frac{20}{100}$

You get an answer of

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How much cardboard is needed to make the tissue box above? Square inches 8 3 3

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The amount of cardboard needed to make a cuboid box of dimensions 8 inch, 3 inches and 3 inches is 114 sq. inches.

<h3>What is the surface area of cuboid?</h3>

Let the three dimensions(height, length, width) be x, y,z units respectively.

The surface area of the cuboid is given by

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For this case, tissue box is almost cuboid shaped.

Also, its dimensions are given being 8 inches, 3 inches and 3 inches.

Suppose we measure the amount of cardboard needed in terms of area, then, the amount of cardboard needed to make that box(without any whole, full cuboid) is equal to the area of its surface(either outer or inner if we assume 0 inches thickness of cardboard),

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