Answer:
1. is positive and 2. is negative
Step-by-step explanation:
Add the ratios together: 2 + 3 +4 = 9
Divide the total tips by 9:
77.40 / 9 = 8.60
Multiply each portion of the ratio by 8.60:
2 x 8.60 = 17.20
3 x 8.60 = 25.80
4 x 8.60 = 34.40
The ratios are in order of the people:
Paul got 17.20
Colin got 25.80
Brian got 34.40
Brian got 34.40 - 17.20 = 17.20 more than Paul
Answer:

Step-by-step explanation:
Given function: 
To find
, simply input
into the function:

Answer:
x = y/3 plus 1/3
Step-by-step explanation:
isolate the variable by dividing each side by factors that dont contain the variable.
Answer:
The average height of poodles in your kennel is 25.19 inches.
Step-by-step explanation:
This is a weighed average problem.
To find the weighed average, we sum each value of the set multiplied by it's weight, and then we divide by the sum of the weights.
In this problem, we have that:
Average 20.5 inches has weight 28.
Average 32.1 inches has weight 19.
What is the average height of poodles in your kennel?

The average height of poodles in your kennel is 25.19 inches.