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SOLUTIONS FOR MEXICO: MONARCH BUTTERFLIES
1. 4 hours 2. 20 days; 15 mph 3. 35,000,000; 17,500,000 oz; first find how many pounds by dividing by 16, then how many tons by dividing by 2000 4. about 18 a day; 27,000,000; 60,000 females laying 500 eggs apiece 5. 29 days
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