Intermediate November 2024 Unit 2 Q7

7. A bag contains 1 yellow counter and 2 pink counters.
Olga puts more yellow counters into the bag.

She takes one counter out of the bag at random.
The probability of taking a yellow counter out of the bag is \(\dfrac{3}{4}\).

How many more yellow counters did Olga put into the bag? [2]

Olga put …………… more yellow counters into the bag