Answer:
9c=2n
Step-by-step explanation:
6n-9c=4n.
n = 9/2c, my bad for the wrong answer at first.
Answer:it’s 19 inches and 60 inches.
Answer: They show numerical value. You have to make them clear.
Answer:yes
$40, how I got this is I took $10 * 4 late fees and there is your $40