<span>1/r + 2/1-r = 4/r^2
1-r+2r/r(1-r)=4/r^2
(1+r)/r(1-r)=4/r^2 cancle r both side
1+r/1-r=4/r
cross multiply
r+r^2=4-4r
r^2+4r+r-4=0
r^2+5r-4=0
r^2+4r+r-4=0
solve it for r factor it...
</span>
Answer:
17 3.14
/30
Step-by-step explanation:
Firsst you would take 46 and minus it from 73 that gets you 27. then you want to take the number of hours she worked and dived that by 6 and that gets you 4.50
