Step-by-step explanation:
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When Loss and Selling price ( SP ) are given , Cost price ( CP ) can be found out using the following formulae :
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We simply derived the formula from Loss = CP - SP.
First , Swap the sides of the equation :
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Move SP to right hand side and change it's sign :
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This is how , CP can be obtained when we are given loss and SP.
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The fraction of the red haired students are boys will be 2 / 5.
<h3>What is a fraction number?</h3>A fraction number is a number that represents the part of the whole, where the whole can be any number. It is in the form of numerator and denominator.
The dual bar chart shows the hair colour of boys and girls in a year group.
The total number of the boys and girl will be
Total = 6 + 9
Total = 15
Then the fraction of the red haired students are boys will be
⇒ 6 / 15
⇒ 2 / 5
More about the fraction number link is given below.
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