 <translate> There are 20 hands in Peter’s class, not including his. Assume every student in the class has 2 arms and 2 hands. How many students are in Peter’s class including him? Let's answer step by step: <yor> Àwọn ọmọ ogún ló wà ní kíláàsì Peter, a ò ka tirẹ̀ mọ́. Jẹ́ ká sọ pé gbogbo akẹ́kọ̀ọ́ tó wà ní kíláàsì náà ní apá méjì àti apá méjì. Èèyàn mélòó ló wà nínú kíláàsì Peter, títí kan òun fúnra rẹ̀? Ẹ jẹ́ ká gbé àwọn ìbéèrè yìí yẹ̀ wò ní ṣísẹ̀-n-tẹ̀lé: 