Final_Grade=12.5*ex1/30+12.5*ex2/16+12.5*ex3/16+12.5*ex4/24+0.4*exam+scribes+scribe-bonus+latex-bonus

where
ex{1,2,3,4}=sum of points from the corresponding exercise.
scribes=the grade of the scribes
scribe-bonus=for those who handed in 3 scribes.
latex-bonus=for those who handed in the scribes in latex.

id		ex1	ex2	ex3	ex4	exam	scribes	scribe-bonus	latex-bonus	final	final (rounded)
32247561	28	13	15	24	100	10	0		0		96.0	96
304759905	27	13	14	24	92	10	1		1		93.6	94
40169252	28	16	16	24	100	10	1		1		100	100
40169062	30	16	15	20	95	10	1		0		96.1	96
303745863	27	13	16	22	100	10	1		1		97.3	97
32406283	30	13	13	21	100	10	0		0		93.7	94
34997908	30	16	16	24	100	10	1		1		100	100
50744216	30	15	16	23	100	10	1		0		99.6	100
307389718	28	15	12	23	88	10	1		0		90.9	91
Average:	28.6	14.4	14.7	22.7	97.2	10	0.7		0.4		96.3	96.4