Answer:
$4000, $5600 and $7200
Step-by-step explanation:
Let the money be 5x,7x and 9x.
Total collection of money is $16,800
ATQ,
5x+7x+9x=$16,800
21x=$16,800

So, the values are :
5x=5(800) = $4000
7x=7(800) = $5600
9x=9(800) = $7200
Th evalope kf the line is -3
Answer: 79,200 feet
Step-by-step explanation:
15 x 5,280= 79,200