SOLVE PLEASE!!!

A. If a person bikes .24 miles in 1 minute, how far can he bike in 90 minutes?

B. A store sells notebooks at 2 for $4.72. Mrs. Johnston needs to buy 11 for her 3rd period class. How much will she have to pay for all of them.


Please solve a AND b BOTH OF THEM THEN YOU'LL GET 100 points plus the drown.