Answer:
27/220
Explanation:
With regards to the above, Pita would have to pick 2 pound coins and 1 50p coin to get £2.50
Then, the probability of picking 1 pound then 1 pound, then 50 Pound
= 3/12 × 2/11 × 9/10
= 9/220
It therefore means that the number of arrangement possible of 2 pounds and 1 50 pounds
= £ - £ - 50 , £ - 50 - £ and 50 - £ -£
= 3
Hence, the required probability
= 3 × 9/220
= 27/220