Report copyright - 9780435966928 Maths A answers...30 100 b 3000 = NP 2 a Number of years (N) Number of men (M) 1 100 000 2 50 000 4 25 000 10 10 000 b 100 000 = NM 3 a 12 g/cm3 b 1.5 cm3 4 a 10 minutes
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