3. In the store, they sell bags of apples weighing 3 kg (one bag costs 20 rubles), bags of pears weighing 4 kg (one bag costs 35 rubles), and bags of plums weighing 5 kg (one bag costs 50 rubles). Anya has 155 rubles, what is the maximum number of kg of fruit she can buy?
Answer: 22

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11

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