Question

Kak bantu aku,nanti dikumpulkan

Answer 1

Verified answer

1) jarak = 750 m ÷ 1000 = 0,75 km
waktu = 15 mnt × 1/60 = ¼ jam
kec = jarak ÷ waktu
= 0,75 ÷ 1/4
= 0,75 × 4/1
= 3 km/jam

2) jarak = 4 km × 1.000 = 4.000 m
kec = 250 m/mnt
waktu = jarak ÷ kec
= 4.000 ÷ 250
= 16 mnt

3) kec = 28 km/jam
waktu = ¼ jam
jarak = kec × waktu
= 28 × ¼
= 7 km