In the game board shown below, the red squares are 1 inch long and 1 inch
wide, the blue rectangles are 1 inch wide and 2 inches long, and the white
squares are 2 inches wide and 2 inches long.
If a table-tennis ball is thrown randomly onto this game board, what is the
probability that it will land on a white square?

A. 40%

B. 37%

C. 58%

D. 23%

Your vet has placed your pet on a diet. the diet is to contain at least 12 mg of fat and at least 14 mg of protein per serving. these requirements are to be obtained from two food sources. source a contains 2 mg of fat and 2 mg of protein per serving. source b contains 1 mg of fat and 3 mg of protein per serving. if source a sells for $1.28 per serving and source b sells for $1.12 per serving, how many servings of each type should be purchased to satisfy the requirements at minimal cost?