Hi! Can help us with this qn? Is the answer (a) decrease
In Miriam’s aquarium, there are sword tails and guppies. 25% of the fishes are sword tails. She then buys an equal number of swordtails and put them in the aquarium.
a) Will the percentage of fishes in the aquarium which are guppies increase, decrease or remain the same?
b) What percentage of the fishes will be guppies?