Which of the following is true about the base b of a logarithmic function?.

What dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean what dose sat mean

Asoccer team has played 25 games and has won 60% of the games it has played. what is the minimum number of additional games the team must win in order to finish the season winning 80% of the games it has played?

How do you work out 21.3-8= show your working. plz