Wednesday

September 17, 2014

September 17, 2014

Posted by **Kaley** on Monday, March 16, 2009 at 9:31pm.

the answer is 2 hrs and 24 min. How did they come up with that?

- math -
**bobpursley**, Monday, March 16, 2009 at 10:36pmIn twelve hours, sally can paint 3, and john 2, or five houses together.

combined rate=5houses/12hours

1house=rate*time=5/12 * time

time= 12/5 hrs

**Answer this Question**

**Related Questions**

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 - 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 - 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 tell me the best approach ...

algebra - If Sally can paint a house in 4 hours, and John 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 ...