Evalúa funciones a partir de la grafica

Cody worked 42.5 hours per week in july. this is 12.25 hours more per week than he worked in june.how many hours did cody work per week in june?

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )