Answer:
What is the question I understand the part where you need a ratio as a fraction but, is there a way you can put a pic of the numbers or put the numbers in the question?
Answer:
It's the chemical because they have to work with dangerous stuff.
Answer:
20%
Step-by-step explanation:
Answer:
B and C, only
Step-by-step explanation:
Answer:7.15t
Step-by-step explanation:
You have to add 2.8t plus 5.7t together