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Katarina [22]
4 years ago
9

How many grains of sand are there in the world

Advanced Placement (AP)
2 answers:
alexdok [17]4 years ago
6 0
There are seven quintillion five quadrillion grains of sand on all the beaches of the world. The exact number is not known.
IgorLugansk [536]4 years ago
3 0
Uncountable!? because there are more than a billion grains and it is clearly impossible to count them
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An article is bought and sold with a profit of 25% of selling price,find the profit percent​
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Answer:

<h3>33.3%</h3>

Explanation:

profit percent = Sp-Cp/Cp * 100%

Sp is the selling price

Cp is the cost price

Let the selling price of the article be x

If it is sold with a profit of 25% of selling price, then;

Profit = 0.25x

Since Profit = Sp - Cp

0.25x = x - Cp

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Substitute into the formula

Profit percent = 0.25x/0.75x * 100

Profit percent = 0.25/0.75 * 100

Profit percent = 1/3 * 100

Profit percent = 33.3%

Hence the profit percent is 33.3%

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