Crossword puzzle clue "forty percent of exxon"

Forty percent of Exxon?

Dennis who said "Fifty percent of life in the N.B.A. is sex. The other fifty percent is money."

Forty percent of fifty?

Forty percent of ninety-nine?

Back forty's forty

The forty in a forty: Abbr.

Where the Exxon Valdez ran aground

Exxon alternative