Thursday

April 17, 2014

April 17, 2014

Posted by **Ken** on Thursday, December 4, 2008 at 1:50pm.

- Math -
**Reiny**, Thursday, December 4, 2008 at 2:36pm#1's rate = house/3

#2's rate = house/8

combined rate = house/3 + house/8

= 11house/24

so time for combined effort = house/(11house/24)

= 24/11 hours

**Related Questions**

math - If painter A can paint a room in three hours by themselves, and painter B...

math - it takes bill 4 hours to paint a house. it takes john 7 hours to paint ...

12th grade - it takes bill 4 hours to paint a house. it takes john 7 hours to ...

algebra - It takes 7 hours for Will to paint a house. Judy can paint the same ...

math - If Sally can paint a house in 4 hours, and John can paint the same house ...

math - If Sally can paint a house in 4 hours, and John can paint the same house ...

math - I have trouble solving word problems. Can you help me solve this problem...

math - Suzy can paint a house in 4 hours. Peter can paint the same house in 6 ...

Math - If Sally can paint a house in 4 hours, and John can paint the same house ...

Math - If sally can paint a house in 4 hours and John can paint the same house ...