Answer: 20% of students prefer to go to the aquarium.
50% of teachers prefer to go to the aquarium.
Step-by-step explanation:
Convert 10 1/2. To 21/2. So the answer would be 6 3/10.
Please look at the attached file, it may help you
1/80 = 0.0125
1/5 = 0.2
0.0125-0.2 = -0.1875
-0.1875 = -3/16
