Subtracting polynomials

How do you find principle and simple interest

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?