Y = 3 2
x

A 2-column table with 4 rows. Column 1 is labeled Days x with entries 1, 2, 3, 4. Column 2 is labeled Hours y with entries 1 and one-half, 3, 4 and one-half, 6. On a coordinate plane, a line goes through points (1, 1.5) and (2, 3).

The models all represent a real-world problem. How would you match the models to a problem?
Find a problem with the same variables and the same relationship between the quantities.
Find a problem that has the same numbers.
Find a problem that has the same variables.
Find a problem that has the same x-values.