Question

3. A computer company must hire 20 programmers to handle system programming jobs, and 30 programmers for
application Programming of those hired 5 are expected to perform job of both type. How many programmers must be
hired?​

Answer 1

Answer:

ho gya submit.

Step-by-step explanation:

what's your name

Answer 2

Step-by-step explanation:

Given |A| =20 , |B|=30

|A and B| = 5

We know

|A U B| = |A| + |B| - |A and B|

= 20+30-5

= 45