Math Goodies is a free math help portal for students, teachers, and parents.
|
Interactive Math Goodies Software

 Math Forums @ Math Goodies Home | Profile | Register | Active Topics | Members | Search | FAQ
 All Forums  Homework Help Forums  Standardized Test Preparation Help  algebraic expressions

Note: You must be registered in order to post a reply.

Screensize:
Format Mode:
Format:

Message:
* HTML is OFF
* Forum Code is ON

 Math Symbols

Check here to subscribe to this topic.

 T O P I C    R E V I E W mingshum Posted - 02/28/2009 : 20:16:00 To celebrate a colleague's graduation, the m coworkers in an office agreed to contribute equally to a catered lunch that costs a total of y dollars. If p of the coworkers fail to contribute, which of the folloing represents the additional mount, in dollars, that each of of the remaining coworkers must contribute to pay for the lunch?The answer is py/m(m-p)I tried to substitute numbers in place of the variables but couldn't come up with the above answer. 2   L A T E S T    R E P L I E S    (Newest First) mingshum Posted - 03/01/2009 : 17:47:07 Thank you for your clear explanation laced with humor! skeeter Posted - 03/01/2009 : 13:25:59 m workers if all m paid, y/m = cost per workerbut, there are p deadbeats ...(m - p) payersy/(m - p) = cost per payeradditional cost is y/(m - p) - y/mcommon denominator ...ym/[m(m - p)] - y(m - p)/[m(m - p)][ym - y(m - p)]/[m(m - p)][ym - ym + yp]/[m(m - p)]yp/[m(m - p)]

 Math Forums @ Math Goodies © 2000-2004 Snitz Communications