Politics. The percentage s of seats in the House of Representatives won by Democrats and t...

Politics. The percentage s of seats in the House of Representatives won by Democrats and the percentage v of votes cast for Democrats (when expressed as decimal fractions) are related by the equation

(A) Express v as a function of s and find the percentage of votes required for the Democrats to win 51% of the seats.

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(B) Express s as a function of v and find the percentage of seats won if Democrats receive 51% of the votes.