Blanka i Darek przejechali rowerem 45 km w 2h 15min. Ile km przejechali w 1h 30min.?
dam naj !
2h15min=135min
1h30min=90min
135-45
90-x
x=90*45/135=30km
odp.:w 1h30min przejechali 30km.
1h=60 min 2h15min ---> 2*60 + 15= 135 (min)1h30min --->60+30=90 min robimy na proporcje czyli 45km---------135minx km----------90 minx= 45*90 : 135x=30 km odp. W ciągu 1h30min przejechali 30km
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2h15min=135min
1h30min=90min
135-45
90-x
x=90*45/135=30km
odp.:w 1h30min przejechali 30km.
1h=60 min
2h15min ---> 2*60 + 15= 135 (min)
1h30min --->60+30=90 min
robimy na proporcje czyli
45km---------135min
x km----------90 min
x= 45*90 : 135
x=30 km
odp. W ciągu 1h30min przejechali 30km