Y =

This is because the total cost is 10x + 480 and then that needs to be divided by the amount of people.
Answer:
20 cm i think
Step-by-step explanation:
You could say:
y = 4x + 10
John runs 10 miles a week, after every month he adds 4 miles.
y = 3x + 15
Mary runs 15 miles a week, after every month she adds 3 miles.
'y' would represent the total miles and 'x' would represent the number of months.
Answer:
<em>The answer is a = 6.</em>