Nikola is saving up for a bag of ant food before he can start his ant farm. He wants 400 ants in his farm. Each ant needs 2 ounces of food. Every ounce of ant food costs $.1. Nikola is saving up by raking leaves. He charges $5 to start a job and then he charges by the leaf. Each leaf he rakes costs 1 penny. He finally saved up enough money after he raked 6,000 leaves. How many jobs did he complete? Let's think first. Chain of thought:
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The ants will need 800 ounces of food because 400 x 2 = 800. The ant food will cost $80 because 800 x .1 = 80. He has earned $60 from the leaves he has raked because 6000 leaves * $0.01 / leaf = $60. He earned $20 from all his jobs because 80 - 60 = 20. He completed 4 jobs because 20 / 5 = 4.
Therefore, the answer is 4.
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