1.2,5 km/menit .....hm/jam 2.60 cm/detik ......m/menit 3.75 mm/detik .....m/menit

1)0,25 x 10 x60=150
2)60:100x60=36
3)75:1000x60=4,5

1.)0,25km/menit=0,25×10=2,5×60=150hm/jam
2.)60cm/det=60÷100=0,6×60=36m/menit
3.)75mm/det=75×1000=75000÷60=1250m/menit
semoga membantu
maaf kalo ada yang salah