If we subtract -1/2 from a number and multiply it by 1/2 , we get 7/8 . Find the number
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the no is 22/7
hope it's helpful
hope it's helpful
Answered by
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let number be x
subtract-1/2from number = x-(1/2)
multiply by 1/2 =(x-1/2)*(1/2)
=(x/2-1/4)
result given=7/8
take LCM
x/2-1/4=7/8
2x-1/4=7/8
cancel 8 in 4 table and replace 7/8 by 7/2
2x-1=7/2
2x=1+7/2
2x=2+7/2
2x=9/2
x=9/4
number is 9/4
subtract-1/2from number = x-(1/2)
multiply by 1/2 =(x-1/2)*(1/2)
=(x/2-1/4)
result given=7/8
take LCM
x/2-1/4=7/8
2x-1/4=7/8
cancel 8 in 4 table and replace 7/8 by 7/2
2x-1=7/2
2x=1+7/2
2x=2+7/2
2x=9/2
x=9/4
number is 9/4
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