Question

Agung lari pagi pukul 5.40 selesai pukul 06.20. jika jarak yang ditempuh 3 km.kecepatan rata rata agung adalah......km/jam

Answer 1

Kecepatan = Jarak / Waktu
= 3 Km / ( Waktu Tiba - Waktu Berangkat )
= 3 Km / ( 06.20 - 05.40 )
= 3 Km / 40 Menit
= 3 Km / 40/60
= 3 x 3/2
= 9 / 2
= 4,5 Km / Jam

Answer 2

j = 3 km
w = 06.20 - 05.40 = 80 menit = 1 1/3 = 4/3
k = ?
k = j/w = 3 : 4/3 = 3 × 3/4 = 9/4 = 2.25