slope intercept word problems

Question

Each calendar will sell for $5.00 each.write an equation to model the total income for selling calendars

Answer 1

The amount earned varies directly with the amount of sold, with $5 earned per calendar sold. As not dollars are earned with 0 calendars sold, we have an initial value of 0.

Plotting this, with calendars on the x-axis, and amount earned on the y axis. We would have

y = 5x

As amount earned increases by $5 for each sold