Well it would be 70% of them because Jack had 100% and 30% minus 100% is 70%
If you multiply $60 by 0.15 you'll get 9 which is the taxes of the meal. Since he leaves the same percentage of tip, now we add 9+9 and get $18..
60+18=78
"AC/DF = 5/2" is correct.
It is 6 sq. units. I hope you do well. Have a wonderful day.
An inscribed angle (BAC) is one half the angle of a central angle (BOC) that intercepts the same arc. Therefore, BAC = 34 degrees.