Bryan wants to paint his room jasper green. The instruction says that for every 2 quarts of black color, there should be ⅓ cup of green color. If Bryan wants to use 6 cups of green, how many quarts of black color should he use?

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?