Answer:
Your answer is A,B, and C.
Step-by-step explanation:
A. If you add them all together then you get 50. 20% of 50 is 10, which is how many people are taking chemistry.
B. If you multiply the number of kids taking physics by 2 then you get the amount of kids taking health science
C. You should first find that 6 is 12% of 50. Then you multiply .12 by 150, and you do get 18.
