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Question
Complete the table.
| Days | 28 | 21 | ? | 63 |
| Weeks | 4 | 3 | 2 | ? |
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Solution
1 week = 7 days
2 weeks = 2 × 7 days = 14 days
63 days = 9 × 7 days = 9 weeks
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| Largest Deserts in the World | |
| Desert | Area (km2) |
| Sahara (Africa) | 8,800,000 |
| Gobi (Asia) | 1,300,000 |
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