50 is what percent of 40?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose

Arational number that is equivalent to -20/4?