Erin clocked the top speed of her remote control car at 25 meters per second. her brother ben clocked the top speed of his remote controlled car at 63 miles per hour. to the nearest tenth, how many times faster was the faster car ?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?