sopve this sum class 7
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But, x+y=27
x=27-y
Put value of x in first equation u will get answer
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Given that Standard form of a rational number is 4/5
= > 4x/5x.
Given that sum of its numerator and denominator is 27.
= > 4x + 5x = 27
= > 9x = 27
= > x = 3.
Therefore the rational number = 4(3)/5(3)
= 12/15.
Hope this helps!