Materi glbb, silahkan dicoba bserta cara kak :)

so = 2
s1 = 5
s2 = 8

v = S2-S1/ t2-t1
   = 8-5/4-2
   = 3/2

St = So + Vt. t
452 = 2 + 3/2. t
904 = 4 + 3t
   3t = 900
     t = 300s
       = 300/60 menit
       = 20 menit