Determine which, if any of the three statments are equivalent. give a reason for your conclusion. Show complete work.
1) Gasoline costs $1.99 per gallon if and only if you live in Orange Country.
2) You do not live in Orange County and gasoline does not cost $1.99 per gallon.
3) if you do not live in Orange County then gasoline does not cost $1.99 per gallon.
The expert determines which of the three statements are equivalent.