Thursday

April 2, 2015

April 2, 2015

Posted by **kayla** on Tuesday, January 27, 2009 at 6:11pm.

- math, psychology, puzzle -
**bobpursley**, Tuesday, January 27, 2009 at 6:14pmStart both at the same time. When the 5 min is done, you have 4 min left on the larger glass, start the bbq. When that hourglass is done, flip it over for the next nine min.

4+9=13

**Answer this Question**

**Related Questions**

Math for Liberal Arts - You have a 5 minute hour glass and an 8 minute hour ...

math - tell how many minute have passed and how many degree the minute hand has...

math - write and evaluate an expression for the total cost of a 17 minute long ...

maths - the minute hand of a clock is 9cm long. the hour hand clock is 2/3 times...

Geometry (math) - The 100-foot clock tower in Rome, Georgia is more than 100 ...

Math - What is 9 kilometers per hour converted into feet per minute? A. about 1...

math - raquel teaches dance classes each evening starting at5:380p.m. she ...

math!!! - can you please check my work 19mm=? m ?=.19??? .017km=? cm ?=1700? ...

physics - At 15 minutes past the hour, a 50 g mouse runs up a grandfather clock ...

physics - At 15 minutes past the hour, a 50 g mouse runs up a grandfather clock ...