Marilyn and Gene are painting a room. Marilyn can paint it in 1 hour less time than Gene. Together they can do the job in 4 hours. How long will it take Gene if he works alone? Give your answer to the nearest tenth

Gene can take 0.8 hours to complete work

Step-by-step explanation:

Gene can paint a room in x hours

We are given that Marilyn can paint it in 1 hour less time than Gene

Marilyn can paint a room in (x-1) hours

Gene 1 hour work =

Marilyn 1 hour work =

(Gene and Marilyn)'s 1 day work together=

Together they can do the job in 4 hours.

So, their 1 hour work =

So,

General equation :

Formula :

x=0.812,0.0446

So, Gene can take 0.8 hours to complete work

the answer is a

step-by-step explanation:

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.