For quarters we have:

Where,
x: number of quarters
Clearing x we have:

For nickels we have:

Where,
y: number of nickels
Clearing y we have:

Then, the ratio of quarters to nickels is:

Simplifying we have:

Answer:
The ratio of quarters to nickels in a dollar is:

Answer:
Explanation is in a file
Step-by-step explanation:
Answer:
4n + 2
Step-by-step explanation:
you are adding 2 to the multiplication of 4 and a number.