A man weights 72kg. His wife weights is 25% less than his. If their son weights 10% more than his mother, find the son's weight.
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Answer:
Son's weight = 22.5 kg
Step-by-step explanation:
Wife's weight = (25/100) × 72 = 1800/100 = 18 kg
Son's weight = 18 + ((25/100) × 18)
= 18 + (450/100) = 18 + 4.5 = 22.5 kg
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