Answer:
14
Step-by-step explanation:
4% of 350 is 14 so he only sold 14
Answer:
30/35=85.71%
Step-by-step explanation:
Observations with A,B,C: 30
Total Observations: 35

I hope this helps you out
17.5$ for every 5 bottles refilled. $3.50 for every 1 bottle refilled
Answer:
x=5
Step-by-step explanation:
3x^2=15x
Subtract 15x from both sides
3x^2-15x=0
Factor out 3x
3x(x-5)=0
Since 0 divided by any number is zero, we get that:
x-5=0
x=5