This question is based on division of numbers and ratios.
Darryl has 8 feet of board.
It is given that,he cuts the board into pieces which are 2 feet long.
To find the number of pieces, we divide the whole length by the length of each board.
The expression which shows this is 
Answer = 
Take the width to be 1.7 feet and the length to be (2.2 + 0.9) feet.
Then the area is (1.7 ft)(3.1 ft) = 5.27 ft^2 (answer)
How many vases are there?