Answer:
hrs/house
Step-by-step explanation:
Rate is the amount of work done per unit of time;
Let Cara's rate = C
Let Jena's rate = J
C + J = 4 ------ i
Now;
Working alone:
Jena takes twice as long as Cara
J = 2C ---- i
How long does it take Cara to clean a house alone
C + J = 4
J = 2C
C + 2C = 4
3C = 4
C =
hrs/house
Answer:
<h3>
D. (x - 3)² = 17</h3>
Step-by-step explanation:
![x^2-6x=8\\\\x^2-6x+9-9=8\\\\x^2-6x+9=17\\\\(x-3)^2=17](https://tex.z-dn.net/?f=x%5E2-6x%3D8%5C%5C%5C%5Cx%5E2-6x%2B9-9%3D8%5C%5C%5C%5Cx%5E2-6x%2B9%3D17%5C%5C%5C%5C%28x-3%29%5E2%3D17)
This is what it would look like
Answer: 2,820 (use the profit equation from the first question )