Question

Tolong di jawapin ya, nomor 4 dan 5 nya.....

Answer 1

No 5.
12/4=3
1/3×60=20menit
7.00-20menit=06.40
aku yakin betul karna sudah dikoreksi guruku

Answer 2

4. k = 40 km/jam
  w = 9.55 - 8.40 = 1.15 = 1,25
  j = k x w = 40 x 1,25 = 50 km

5. k = 12 km/jam
  j = 4 km
  wt = 7.00
 w = j/k = 4/12 = 1/3 jam = 20 menit
 wb = 7.00 - 20 menit = 06.40