Kendra and Haley are each saving money, Kendra starts with $100 in his savings account and adds $5 per week. Haley starts with $10 in her savings account and adds
$20 each week. After how many weeks will Haley have at least the same amount of
money as Kendra?

Asap! i'm not good math and i'm lost.

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

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?