A generator can run for 11 hours on 3 gallons of gasoline. if the gasoline costs $3 per gallon, which of these is closest to the
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Then we will multiply both sides of the equation by 2 π :
x + π ( 1 - x ) = 0
x + π - π x = 0
x ( 1 - π ) = - π / · ( - 1 )
x ( π - 1 ) = π
x = π / ( π - 1 )