Joann rode her bike at an average speed of 12 miles per hour for three and a half hours. if her friend, fran, rides for 3 hours, at what average speed, in miles per hour, would she have to ride her bike to travel the same distance that joann traveled?

Average speed of Fran should be 14 miles/hour

Explanation:

Since distance covered by both are same thus

1) Distance covered by Joann =

   Distance = 12mph x 3.5 h

   Distance = 42 miles

Now For Fran to cover the same distance in 3 hours his speed should be

glass wants to live in a world of super heroes and villains. he have lived all his life trying to be responsible for the creating the origin story of a super hero; he schemed and caused many incidents (many of them fatal) hoping that someday someone with superpowers would show up and save the day.

he knew himself very much. he saw himself as a villain of a real-life super hero story. he was aware of his strengths (more than smart enough for being manipulative and scheming) and weaknesses (having fragile bones and having to rely on his mind to succeed).

the correct answer is d