 <translate> A woman needs to buy 16 oz of butter for a dessert recipe. She can either buy a single 16 oz package of the store-brand butter for $7, or she can buy an 8oz package of store butter for $4 and use a coupon to get an additional two 4 oz packages that normally sell for $2.0 each at a 50% discount (which is applied to each 4oz package separately). What is the lowest price she can pay for the 16 oz of butter she needs? Let's answer step by step: <yor> Obìnrin kan ní láti ra àpò ìrẹsì 16 ounce fún ohun èlò oúnjẹ aládùn kan. Ó lè ra ìdìpọ̀ 16 ounce kan ti iyẹfun tí wọ́n ṣe ní ilé-ìtajà fún $7, tàbí kó ra ìdìpọ̀ 8 ounce ti iyẹfun tí wọ́n ṣe ní ilé-ìtajà fún $4 kí ó sì lo ìdìpọ̀ kan láti gba ìdìpọ̀ 4 ounce méjì sí i tí wọ́n ń tà fún $2.0 ọ̀kọ̀ọ̀kan ní àdínwó 50% (tí a fi sí ìdìpọ̀ 4 ounce kọ̀ọ̀kan). Kí ni iye tó kéré jù lọ tó lè san fún ọ̀rá tó nílò? Ẹ jẹ́ ká gbé àwọn ìbéèrè yìí yẹ̀ wò ní ṣísẹ̀-n-tẹ̀lé: 