guys im stuck on these 2 Q's and its due in for tomorow plz can some1 explain it properly:

charlie cycles 5 and 5 over 8( a fraction) miles in three quatres of an hour.

a. at what speed does he cycle in miles per hour?

b. at the same speed,how far would he cycle in 5o minutes?

the outside measurements of a picture frame are 12 and one tenths( 1 over 10)cms and 6 and 3 over 4 cm.the frame is 1 over 2 cm wide.

what is the area of the picture?

thankyou