 <translate> A phone factory makes twice as many phones as last year. Last year’s production was 5000 phones. If a quarter of this year’s production is sold, how many phones are left in the factory? Let's answer step by step: <yor> Ilé iṣẹ́ tẹlifóònù kan ń ṣe tẹlifóònù tó pọ̀ ju ti ọdún tó kọjá lọ ní ìlọ́po méjì. Ẹgbẹ̀rún márùn-ún tẹlifóònù ni wọ́n ṣe lọ́dún tó kọjá. Bí a bá ta ìdámẹ́rin nínú gbogbo ohun tí a ṣe lọ́dún yìí, mélòó ni àwọn fóònù tó kù ní ilé-iṣẹ́ náà? Ẹ jẹ́ ká gbé àwọn ìbéèrè yìí yẹ̀ wò ní ṣísẹ̀-n-tẹ̀lé: 