In the following pictograph, how many books has Group 3 read?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

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?

How does percent markup and percent discount relate to percent of change?