Question

EXERCISE 3.1
A teacher wants to select the class monitor
in a class of 30 boys and 20 girls. In how
many ways can the monitor be selected if the
monitor must be a girl?​

Answer 1

Answer:

Step-by-step explanatithere are 30 boys

and there are 20 girls

1 girl as a monitor can be selected in = 30 + 20 = 50 ways

.

* remember sir told us that if there's ' and ' then both will be added

hope it helps uhon: