Remark
You already know the slope. It is given as ( 5/3) so fiar you have
y = (5/3) x + b
Solution
Use the point (0,3) for your y intercept.
y = 5/3 x + b
3 = 5/3 * 0 + b
3 = b
y = 5/3x + 3 <<<<< Answer