Respuesta :
Answer:
351 ways.
Step-by-step explanation:
That is the number of combinations of 2 from 27
= 27C2
= 27*26 / 2*1
= 351.
Answer:
351 ways.
Step-by-step explanation:
That is the number of combinations of 2 from 27
= 27C2
= 27*26 / 2*1
= 351.