 <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. <yor> Andrea ra 45 / 3 = 15 àwọn òkúta rhinestones. Ó rí 45 / 5 = 9 rhinestones nínú àwọn ohun èlò rẹ̀. Nípa bẹ́ẹ̀, Andrea ṣì nílò 45 - 15 - 9 = 21 rhinestones. Nítorí náà, ìdáhùn náà ni 21. 