Algebra I: Equations from Situation II

Algebra I: Equations from Situation II
Write the equation for a line the models each situation.
1. You and your friends go to the state fair. It costs $5 to get into the fair and $3 each time you go on a
2. At a roller rink in costs $2 per hours plus $7 to get in.
3. There are 300 fish in a pond. A crocodile is loose in the pond and is eating the fish. Each day the
crocodile eats 15 fish.
4. A swimming pool is being filled with water at a rate of 8 gallons per minute.
5. A raft rental company charges $15 initial fee plus $3 for each hour that you are rafting.
6. You bought a car for $20,000. The car depreciates in value by $1500 each year.
7. A swimming pool holds 1000 gallons of water and is being drained for the winter. The water drains at a
rate of 20 gallons per minute.
8. After saving money from a job all summer, Allen has saved $600. Now that school is back in, he uses this
money to buy $20 worth of gas each week.