Armand = (10/7) × (105/27) = (10/7)(35/9) = (10 × 35) / (7 × 9) = 350 / 63 ≈ 5.555... ≈ 5.56.
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- So total: (10/7)e + (10/7)e + (10/7)e? No:
- a = e / 0.7 = (10/7)e ≈ 1.4286e.
- Then total = e + (10/7)e + (10/7)e = e(1 + 20/7) = e(27/7) = 15 → e = 15 × 7 / 27 ≈ 105 / 27 ≈ 3.889.
- But simpler: from earlier, total = e + a + e = e + (e/0.7) + e? No: Ella = e, Armand = e / 0.7, Amber = 2e.
- And e = 0.7 × Armund → Armu = e / 0.7.
- So total = e + (e / 0.7) + 2e = 3e + (10/7)e = (21/7 + 10/7)e = 31/7 e = 15 → e = 15 × 7 / 31 = 105 / 31 ≈ 3.387.
