Question
Billy is preparing for a weightlifting competition. To qualify for the final, he needs to be able to lift at least 339 kg. Billy is able to lift 159 kg comfortably now. Each month, he is able to increase the mass he lifts by 10 kg. How long must Billy train to qualify for the final? Give your answer in years and months. (Eg 2 years 3 months)
3 m

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Billy is preparing for a weightlifting competition. To qualify for the final, he needs to be able to lift at least 339 kg. Billy is able to lift 159 kg comfortably now. Each month, he is able to increase the mass he lifts by 10 kg. How long must Billy train to qualify for the final? Give your answer in years and months. (Eg 2 years 3 months)