“总共有15种可能”英文怎么说

totally fifteen possibilities

a total of fifteen possibilities

a total of fifteen options

a total of fifteen commbinations

a total of fifteen probabilities

there are totally 15 possible results/solutions.......
possibility作可能性讲是不可数名词
作可能发生的事讲为可数名词

totally 15 results 结果
totally 15 possibilities 可能的事
totally 15 formulas 方案

there are 15 possibilities in total.

there are fifteen possibilities totally.

人工翻译.