 <translate> Explain simply why 72 is the correct answer to: Charlotte needs to know how much money to have with her when she goes to the shoe store. How much money should Charlotte bring to buy a pair of boots, if the original price is $90 and there is a discount of 20%?. Explanation: <yor> Ṣàlàyé ní ṣókí ìdí tí 72 fi jẹ́ ìdáhùn tó tọ̀nà sí: Charlotte nílò láti mọ iye owó tó yẹ kó mú dání nígbà tó bá lọ ra bàtà. Owó wo ló yẹ kí Charlotte mú wá láti ra bàtà kan, bí iye tí wọ́n ń tà ní ìpilẹ̀ṣẹ̀ bá jẹ́ $90 tí wọ́n sì ń fi ìdá ogún nínú ọgọ́rùn-ún dín owó náà kù? Àlàyé: 