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La classe de 4°B = 100/100 = 100%
- La moitie des eleves vient en bus = 50/100 = 50%
- 1/10 arrive en voiture = 1/10 = 10%
- 1/5 arrive a pied = 20%
- Le reste vient a velo = 100 - 50 - 20 - 10 = 20% = 1/5
1. Vehicule a moteur = bus + voiture =
50% + 10% = 60% = 3/5
2. A pied ou a velo = 1/5 + 1/5 = 2/5
3. A velo = 1/5
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bonsoir
La classe de 4°B = 100/100 = 100%
- La moitie des eleves vient en bus = 50/100 = 50%
- 1/10 arrive en voiture = 1/10 = 10%
- 1/5 arrive a pied = 20%
- Le reste vient a velo = 100 - 50 - 20 - 10 = 20% = 1/5
1. Vehicule a moteur = bus + voiture =
50% + 10% = 60% = 3/5
2. A pied ou a velo = 1/5 + 1/5 = 2/5
3. A velo = 1/5