Emma opens a savings account with $100.
She saves $60 per month.
The equation T(n) = 60n + 100 can be used to represent this problem, where T(n) is Emma’s total savings in dollars and n, represents the number of months.
Question 1 (2 points)
Which term in the equation is fixed? What does the fixed term represent in the context of the problem?
Which term in the equation varies ? What does this term represent in the context of the problem?
Alex is selling t-shirts for a school fundraiser, it will cost him $300 to start but will earn $7.50 for each t-shirt he sells.
Let P represent the profit and let n represent the number of t-shirts.
Write the equation of the line that represent the situation.
Bruce rents a car which will cost him $85 plus $0.48 per km he drives.
Let C represent the total cost and let d represent the number of km driven.
Write the equation of the line that represent the situation.
