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3 years ago

An article bought for rs. 800 is sold for 5/4 of the cost price.Find the profit percentage.

Mathematics

1 answer:

lozanna [386]3 years ago

5 0

Answer:

25%

Step-by-step explanation:

Step 1: Find the sale price

First, we have to find the price it was sold for.

$\longmapsto$ 5/4 of 800 = 5/4 * 800

$\frac54 * 800 = \\\\\frac{4000}{4} = 1000\\\\$

The article was sold for rs. 1000

Step 2: Finding the percentage

To find the percentage, we have to divide the sale price over the cost of the article

$\frac{1000}{800} = \frac54 = 1.25 = 125percent$

The cost of the article is 100% or 1

$1.25 - 1 = 0.25 - or- 25percent$

25%

-Chetan K

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The half-life of radium-226 is 1600 years. Suppose we have a 27-mg sample.

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The amount of sample that will remain after 4000 years is; 4.8357 mg

The number of years that it will take for only 17 mg of the sample to remain is; 1076 years

<h3>How to solve exponential decay function?</h3>

A) Using the model for radioactive decay;

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m(t) = 27e^(-0.00043t)

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Read more about Exponential decay function at; brainly.com/question/27822382

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1 year ago

An article bought for rs. 800 is sold for 5/4 of the cost price.Find the profit percentage.​

An article bought for rs. 800 is sold for 5/4 of the cost price.Find the profit percentage.