in an election there are two candidates 20% votes were declare invalid and the winer gets 70% of the valid votes and won by 6400 votes.find the number of voting list and valid votes.
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Answaer:
20,000
Step-by-step explanation:
Let the 2 candidates be A and B and no. of votes be x. Valid votes are 80% which is 4/5x.
A has achieved 70% of 4/5x valid votes and 6,400 votes more than B.
That means B has achieved 30% of 4/5x valid votes.
A= B +6,400
4/5x*7/10= 4/5x*3/10 +6,400
28x/50=12/50x +6400
16x/50=6400
x=20,000
Total votes (Inc invalid votes)= 20,000
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