Answer:
Equation for the relationship between the weight and number of months -

Step-by-step explanation:
Given
The initial weight of young sumo wrestler just before he decide to gain more weight is equal to
kilo grams.
The new weight of young sumo wrestler after eight months is equal to
kilo grams.
Weight gained by sumo wrestler during the period of eight months

The rate at which weight was gained

kilo grams per month
Let W(t) depict the weight after 8 months
t depict the time period in moths
So the equation would be

Where
Initial weight before 8 months
time in months
J'(4, 0)
F'(5, 2)
N'(5, -1)
Answer:
The total the salesperson makes is $64.80.
Explanation:
Since nine percent of $720 is $64.80, that is what the salesperson gets per week if they sell $720 worth of jewelry per week. The amount the store gets is $655.20. Thank you for reading, and please mark Brainliest if you got it right!