Question

There are 12 counters in a bag.

3 of the counters are red.
1 of the counters is blue.
2 of the counters are yellow.
The rest of the counters are green.
Caitlin takes at random a counter from the bag.s
Show that the probability that this counter is yellow or green is 2/3.

Answer 1

number of green counters

=12-3+1+2

=6

number of green and yellow counters

=6+2

=8

probability of getting green or yellow counter

=8/12

=2/3

Explanation: