Devika thinks of a number and subtracts 5/2 from it.She multiplies the result by 8.The result now obtained is 3 times the same number she thought of.What is the number?
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Let the number be x
According to question ,
8(x-(5/2)) = 3x
=> 8((2x-5)/2) = 3x .........LCM is taken 2
=> 4(2x-5) = 3x .......8 is divided by 2
=> 8x-20 = 3x
=> 8x-3x = 20
=> 5x = 20
=> x = 20/5
= 4 (answer)
Hope it helps you.....
According to question ,
8(x-(5/2)) = 3x
=> 8((2x-5)/2) = 3x .........LCM is taken 2
=> 4(2x-5) = 3x .......8 is divided by 2
=> 8x-20 = 3x
=> 8x-3x = 20
=> 5x = 20
=> x = 20/5
= 4 (answer)
Hope it helps you.....
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