At a store's grand opening,every 15th customer get $10.every 50th customer gets a mug .Which customer will be the first to get both $10 and a mug?
參考答案:为了庆祝本店开业,每第15位客人可以得到$10,每第50位客人可以得到一个杯子,问:哪个客人是第一个同时得到$10跟一个杯子的?
At a store's grand opening,every 15th customer get $10.every 50th customer gets a mug .Which customer will be the first to get both $10 and a mug?
參考答案:为了庆祝本店开业,每第15位客人可以得到$10,每第50位客人可以得到一个杯子,问:哪个客人是第一个同时得到$10跟一个杯子的?