Ynrique is saving to buy a bicycle that costs $300. He received $50 for his birthday. He also tutors a neighbor in math and earns $20 each Saturday. He wants to use his birthday money and his tutoring money to save for the bike.

Use “t” for the number of weeks, and “s” for savings.

Ella sets up a flea market business to sell jeans. The amount of money Ella earns (m) is based on the number of jeans Ella sells (j) and is modeled by the following linear function:

m = 30j - 50

Leah and Jocelin each have their own savings account. The table below represents the amount of money Leah has in her savings account over the course of three weeks. The graph below represents the amount of money Jocelin has in her savings account over the course of 8 weeks.

Leah's Savings (table):

Jocelin's Savings (graph):

The cost to enter and go on rides at a local water park, Siti's Water World, is shown in the graph below:

A new water park just opened named Chloe's Tidal Takeover. You haven’t heard anything specific about how much it costs to go to this park, but some of your friends have told you what they spent. The information is organized in the table below.