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P.e(S) is 3. A seller supplies 20 units ...

`P.e_(S)` is 3. A seller supplies 20 units of a commodity at Rs.8/unit. How much quantity will he supply when price rises by Rs.2/unit ?

Text Solution

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`{:(" P 8"),(" P"_(1)" 10,"),(ulbar(Delta"P -1 ")):}" "{:("Q 20"),("Q"_(1)" "?),(ulbar(DeltaQ" ?")):}`
`P.e_(S)=(P)/(Q)xx(DeltaQ)/(DeltaP)" or ""3=(8)/(20)xx(DeltaQ)/(2)`
`DeltaQ=15`
`DeltaQ=Q_(1)-Q" or "15=Q_(1)-20`
`Q_(1)=35`
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