X^2-5x+5x-25 (multiply (x-5) with (x+5))
X^2-25 ( -5x+5x =0)
Assuming that they both work at the same pace together 66/2=33*3=99 to get the whole house done because she takes 3 times as long and has to pick up the slack when cara is gone i think at least it sounds logical in my mind but maybe somebody thinks different but final answer
t=99 hours
THE ANSWER IS:
X:540
X: answer 90
Answer:
5 months
Step-by-step explanation:
y=mx+b
162.50=27.50x+25
162.50-25=27.50x+25-25
137.50=27.50x
137.50/27.50=x
5=x
hope this helps :)