First do 3 × 18 because there are 3 different teams and each one has 18 workers. 3 × 18 = 54. So you only need 9 people on the floor. 9/54 in fraction form. Are there a certain number of floors? I think this is the answer to the question you have written question though.
400/12 = # of dozen needed
.89 * # of dozen needed
400/12=33.33 need 34 dozen
.89*34=$30.26
Answer:

Step-by-step explanation:
Parallel lines have the same slope
The slope of the line shown is 
Therefore, the slope of the parallel line will also be 
The answer is D. First add 2k, then divide by a, the subtract x, then divide by -1
Step-by-step explanation:
option C is the answer.
hope it helps