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

x=6 and x=3

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7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25