omisha555 omisha555

03-01-2021
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If the 2/7th part of a certain sum was donated and 1/4th was spent on education ,then the balance amount will be ?

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manitastha510 manitastha510

03-01-2021

Answer:

(2/5)x + (3/4)x +450 = x

8x+15x/20 +450 = x

23x/20 +450 = x

23x/20 - x = 450

23x-20x/20 = 450

3x/20 = 450

3x = 450 *20

3x = 9000

x = 3000

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