The answer is A to the question
The mixture contains 61.5% of water.
<u>Step-by-step explanation:</u>
Total parts = 4+ 2.5 = 6.5
Parts of water =4
parts of drink = 2.5
Percent of water in the mixture = 4 × 100/ 6.5
= 400/6.5
= 61.53%
It is rounded to the nearest tenth as 61.5%.
M(CE) = 78 + 78*4/26 = 90
Answer:
Step-by-step explanation:
Let's bring the line in the classical 
form
At this point we have the two values 
for the slope and 
for the intercept
