Assuming 60% is minimum passing percentage, you would need to get a 68% on the final.To check this, your current 58% is .8 of your total grade, so it "counts" 8 times so, 8x.58=46.4 and the final is 20% so it "counts 2 times, 2x.68=13.6.13.6+46.4= 60%
