Mathematics, 29.05.2020 14:57 janny48

Lena is 10 years old. She asks her dad how old he is. He tells her that the lcm of their ages is 14 times the hcf of their ages. She knows that her dad is at least 30 years old but younger than 45. Work out how old her dad is.

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Lena is 10 years old. She asks her dad how old he is. He tells her that the lcm of their ages is 14...