Question

11 grade = cate sec , 315 secunde = cate min , 90 grade = cate min , 150 sec = cate grade . REPEDE VA ROG DIN SUFLET

Answer 1

1 grad  = 60 minute
1 minut = 60 secunde
11 grade = 60 x 60 x 11 = 39600
315 secunde = 315/60 minute = 5 min si 25 secunde
90 grade =  5400 minute
150 sec = 2 min 30 sec = 0,0416666667 grade