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- Total needed for 6 sites: 6 × 170 = <<6*170=1020>>1020.
- Sum of first 5: 120 + 150 + 90 + 210 + 180 = <<120+150=270, 270+90=360, 360+210=570, 570+180=750>>750.
- Minimum for 6th: 1020 − 750 = <<1020-750=270>>270.
- Léa codes a script that processes 1,000 health records in 120 seconds. A new optimized version runs 30% faster. How long will it take to process 5,000 records using the optimized script?
- Original time per 1,000 records: 120 seconds.
- Optimized runs 30% faster → time = 120 × (1 − 0.30) = 120 × 0.7 = <<120*0.7=84>>84 seconds per 1,000.
