 <translate> Happy has to take 40 / 100 * 15 = 6 more cups of water than she takes currently to reach the recommended water intake levels by her doctor. In total, she is supposed to drink 6 + 15 = 21 cups of water every week. Final answer: 21. <yor> Kí Happy tó lè máa mu omi tó dọ́gbọ́n sọ pé kó máa mu, ó ní láti máa mu omi tó pọ̀ sí i ní ìwọ̀n tó yẹ kó máa mu báyìí, èyí tó jẹ́ 40/100*15=6 ife omi. Gbogbo rẹ̀ lápapọ̀, ó ní láti máa mu omi bíi ife 6 + 15 = 21 lọ́sọ̀ọ̀sẹ̀. Ìdáhùn tó péye ni pé: 21. 