2 by 7 th part of a certain sum was donated and 1 by 4 th was spent on education . the balance amount will be .
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The total part of certain sum =2/7
The spent on education =1/4
The balance amount will be =?
Let balance amount be =x
x×1/4=2/7
x=1/4/2/7
1/4×7/2
x=7/8
The spent on education =1/4
The balance amount will be =?
Let balance amount be =x
x×1/4=2/7
x=1/4/2/7
1/4×7/2
x=7/8
sonu821:
rong
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