Wednesday

April 16, 2014

April 16, 2014

Posted by **sharon** on Thursday, March 19, 2009 at 10:46pm.

A. 12 minutes

B. 15 minutes

C. 21 minutes

D. 23 minutes

E. 28 minutes

- math -
**Damon**, Thursday, March 19, 2009 at 11:42pmJim 1/30 pools per minute

Sue 1/45 pools/min

Tony 1/90 pools/ min

Total = 3/90 + 2/90 + 1/90 = 6/90 = 1/15 pools/min

(1/15) pools /min * t = 1 pool

t = 15 min

- math -
**Damon**, Thursday, March 19, 2009 at 11:47pmTony fills 1/6 in a quarter hour, not 1/4

1/2 + 1/3 +1/6 = 1 pool

**Related Questions**

math - Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do ...

Math - Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do ...

math - Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do ...

Math - Jim can fill a pool carrying bucks of water in 30 minutes. Sue can do the...

Math; Alegbra for PSAT - Jim can fill a pool carrying bucks of water in 30 ...

Algebra - Sue can shovel snow from her driveway in 45 minutes. Jim can do the ...

math - One pipe can fill a pool in 20 minutes, a second can fill the pool in 30 ...

math - Jane needs to fill her pool with water. Ace said it will take them 40 ...

algebra - Pump A can fill a swimming pool in 6 hours and pump B can fill the ...

ALGEBRA - Janet can shovel snow from her driveway in 55 minutes. Jim can do the ...