Question

Intr-un minut un melc parcurge 300mm,iar o rama de 3 ori mai mult.Ce distanta parcurge melcul in 4 min?dar in 5 min.Ce distanta parcurge rama in 4 min?dar in 5min.

Answer 1

1 min ................. melc   300mm 
4 min ................   melc  300 mm · 4 = 1200 mm 
5 min ................    melc 300mm  · 5 = 1500 mm 

1 min  ............... rama 3·300mm = 900 mm 
4min ..............    rama  900 mm · 4 = 3600 mm 
5 min .............   rama  900 mm · 5 = 4500 mm

Answer 2

300mmx3=900(mm parcurge intr-un  minut rama)
300mmx4=1200(mm parcurge melcul in 4 minute)
300mmx5=1500(mm parcurge melcul in 5 minute)
900mmx4=3600(mm parcurge rama in 4 minute)
900mmx5=4500( mm parcurge rama in 5 minute)