 
 <translate> Andrea bought 45 / 3 = 15 rhinestones. She found 45 / 5 = 9 rhinestones in her supplies. Thus, Andrea still needs 45 - 15 - 9 = 21 rhinestones. So, the answer is 21. <hau> Andrea ta sayi 45 / 3 = 15 rhinestones. Ta sami 45 / 5 = 9 rhinestones a cikin kayanta. Saboda haka, Andrea har yanzu yana bukatar 45 - 15 - 9 = 21 rhinestones. Amsar ita ce 21. 