Answer:
Tank A
Step-by-step explanation:
add it all up
4+8+12+16+20 = 60 5+10+15+20+25 = 75
60/75 = 4/5 = 0.8
2+4+6+8+10 = 30 3+6+9+12+15 = 45
30/45 = 2/3 = 0.667
0.8 is more than 0.667
Tank A has more fish.
