7) A patient received 4 units of packed red blood cells postoperatively. The first
unit was 227 mL, the second was 250 mL, the third was 210 mL, and the fourth was
225 mL. How many liters of blood were given?

812

Step-by-step explanation:

add the units mL's together

table 3 represents a direct variation function. : )

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.