Answer:
13 means the starting number
13 is the y-intercept (0,13)
Step-by-step explanation:
you need to find out how many poeple u have first
With this information you can write the expression
9.95m + 5 = 7.99m
This demonstrates the cost for each one after m months.
Lets assume, Sally has X pound of potatoes in her pantry.
So, 4/3 of the potatoes Sally has in her pantry = 
Now, Sally needs 2/3 pound of potatoes and this 2/3 pound of potatoes is 1/3 pound more than that 
So the representing equation will be:
(subtracting
from both sides)

(multiplying both sides by 3)
So, Sally has
pound of potatoes in her pantry.