These log boats do not go very far. If the wind is helpful, they travel about 4 km in one hour. • How long will they take to go a distance of 10 km? • Guess how far you can go in one hour if you walk fast.
These log boats do not go very far. If the wind is helpful, they travel about 4 km in one hour. • How long will they take to go a distance of 10 km? • Guess how far you can go in one hour if you walk fast.
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