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Mathematics, 06.05.2021 01:00 lizzyhearts

I would like a little help please. Gru has 20 minions. The minion population increases by 20 each week. El Macho has 80 evil minions. His population decreases by 10 minions each week. When will they have the same number of minions? How many minions??

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I would like a little help please. Gru has 20 minions. The minion population increases by 20 each...
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