Hi,

 A man can weed his yard in 3 hours. His son can do the same job in 2 hours.

 how long  would it take them if they worked together?

    ||Multiplying thru by 6x so as all denominators = 1

      2x + 3x = 6

       5x = 6

        x = 6/5 hr  0r  1 1⁄5 hr 0r 1hr and 12min  

RELATED QUESTIONS

Jeff can weed the garden in 4 hours by himself. His wife Brenda takes the same amount of... (answered by nyc_function)

A man can do a piece of work in 9 hours. After he worked 3 hours alone, he was joined by... (answered by oberobic)

A man can mow his lawn in 4 hours. His son can do the job in 3 hours. If the son takes... (answered by VFBundy)

zoe can rake her yard in 4 hours. stan can do the same job in only 3 hours. how long... (answered by stanbon)

A man can do a job in 10 hours and his younger son can do it in 12 hours. After the... (answered by josmiceli,greenestamps,josgarithmetic)

Jack can paint his apartment in 12 hours. His wife Cheryl requires 20 hours to do the... (answered by stanbon)

A man can paint a room, working alone, in 5 hours. His wife can do the same job in 4... (answered by solver91311)

2. A man can do a job in h hours alone and his son can do it in 2h hours alone. Together,  (answered by majo89)

2. A man can do a job in h hours alone and his son can do it in 2h hours alone. Together,  (answered by ankor@dixie-net.com)