Answer:
C) 25%
Step-by-step explanation:
let salt be 's'
let water be 'w'

0.25 = 25%
I'll help with 10,
A=b×h÷2 is your equation so I would substitute in the six and eight next.
The base is 6 and the height is 8 so 6×8÷2=A
Then I would do 6×8=48, 48÷2 is 24.
The area is 24 cm squared.
Your answer is 48 minutes because you divide 6.72 by 0.14
Answer: (C)
Step-by-step explanation:
Looking at the diagram the area occurring continuously over a period of time is the constant point which ranges from -4 to -2 making the answer C