Mrs. Kephat's sixth grade class has been collecting aluminum cans. They receive a dollar a can. What percent of the goal still needs to be achieved?

A. 40%

amount achieved: 600/1000 = 3/5

amount not achieved = 2/5

2/5 as percent is 40%

  n=   0.0000 - 0.3750 i  

  n=   0.0000 + 0.3750 i

step-by-step explanation:

one of these should be correct