If i had 12 apples and 7 bannanas tuat cost $15.50 how much do the apples cost.

Ineed i been stuck on this question since yesterday

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?

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal