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Verified answer
20 menit = 1/3 jamkecepatan = jarak : waktu
= 15 : 1/3
= 15 × 3/1
= 45 km/jam
Jarak = 15 km
Waktu = 20 menit = ⅓jam
Ditanya :
Kecepatan = ?
Pembahasan :
Kecepatan = Jarak ÷ Waktu
= 15km ÷ ⅓ jam
= 15km × 3/1 jam
= 45km/jam