Monday

December 22, 2014

December 22, 2014

Posted by **alex** on Tuesday, November 18, 2008 at 10:09pm.

- math -
**bobpursley**, Tuesday, November 18, 2008 at 10:11pmjanet rate: 1task/9hrs

jancie rate: 1task/10hrs

combinded rate=1task/hr (1/9+1/10)

timecombined=1task/combinded rate

careful with the fractions.

**Answer this Question**

**Related Questions**

Radical and Rational exponents - Estimate how long it takes you to complete a ...

MATH - An application of a rational function is T = (AB)/(A+B), which gives the...

math - one task takes 7 mins second task takes 12 min third task takes 21 nin ...

math - if wayne completed a task in one hour and sarah completed a task in two ...

math - If A and B work together,they can finish a task in 2 hours. If they do ...

college algebra - Find the time for two people working together to complete half...

college algebra - Find the time for 2 people working together to complete half ...

pre calc - it takes my father 3 hours to plow our cornfield with his new tractor...

statistics - The accounting department at Weston Materials, Inc., a national ...

Algebra - One person can complete a task in 3 minutes. A second person can ...