If Ann cleans in 12 hours then she cleans
of the apartment per hour. Similarly Liz cleans
of the appartment per hour. So together then can clean
of the apartment for hour. Therefor it will take them
hours to clean.
The general formula
can be used as a check if needed.
I believe the answer would be $63,600.
Hope this helps ;}
<span>61,000000 would be your answer.</span>
Answer:
6 .Cant find the answer there
cos i had 3b( 9c +3a +c )
7. -3x -17y