How many coins do they have in all?
5/7 + 5/14 = 1.07142857143
you can round that to 1.1
Parallel lines should have the same slope. Therefore, you know which point it passes through and the slope. Plug in the points and slop into slope-intercept form to find b. Please refer to the picture.
divide food money by income:
468 /2600 = 0.18 = 18%