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Total cost = 40 × 300 = <<40*300=12000>>12,000.
Amount needed = 12,000 – 3,800 = <<12000-3800=8200>>8,200.
#### 8200A wildlife tracking AI specialist is monitoring the migration of 120 snow geese using GPS tags. If 25% of the tags malfunction and lose data, and of the remaining functional tags, 3/5 transmit incomplete migration path data, how many tags provide complete, reliable data?
First, calculate the number of malfunctioning tags: 25% of 120 = 0.25 × 120 = <<0.25*120=30>>30.
So, functional tags = 120 – 30 = <<120-30=90>>90.
Of these, 3/5 transmit incomplete data, so 2/5 transmit complete data: (2/5) × 90 = <<(2/5)*90=36>>36.
Thus, 36 tags provide complete, reliable migration data.
A blockchain developer is designing a token distribution model where 10,000 tokens are allocated: 40% go to early investors, 25% to staking rewards, and the rest split equally among 15 developers for code contribution. How many tokens does each developer receive?
Early investors receive 40% of 10,000 = 0.4 × 10,000 = <<0.4*10000=4000>>4,000 tokens.
Staking rewards receive 25% of 10,000 = 0.25 × 10,000 = <<0.25*10000=2500>>2,500 tokens.