Question

8,2t-4,4t = 38,38               ( 10,49 - s ) /4,02 =0,805

Answer 1

1) 8,2t-4,4t = 38,38
3,8t=38,38
t=10,1

2) (10,49-s)/4,02=0,805
10,49-s=4,02*0,805
10,49-s=3,2361 
s=10,49-3,2361

s=7,2539