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Damilola
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David is 2years older than John who is 7years older than Paul . Their combined age is 61 years . How old is each of them
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Thanks so much for solving this problem already, i appreciate u very much
F=ke k=50/25-20 k=10N/cm F=ke e=100/10 e=10cm Total length = 10+20 E=30cm
