If n (A - B) = 20 and n (AUB) = 80, find n (B)?
If n (A - B) = 20 and n (AUB) = 80, find n (B).
If n (A - B) = 20 and n (AUB) = 80, find n (B).
Pregunta de Matemáticas · 1 respuesta · mejor respuesta de Germuycost6ina
En resumen
The answer is 60. Here is the solution, in a picture.
The answer is 60. Here is the solution, in a picture.