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April 20, 2014

April 20, 2014

Posted by **Tanisha** on Thursday, April 30, 2009 at 9:11pm.

PLEASE HELP I DO NOT UNDERSTAND THIS AT ALL.

The number of pounds p(z)as a function of the number of ounces z.

The selling price s(c)after a 45% markup of an item as a function of the stores' cost c.

The total number of miles m(r)covered when you walk 7 miles before lunch, and you walk for 2 hours at r mi/hr after lunch.

- PRE*******ALGEBRA -
**RickP**, Friday, May 1, 2009 at 3:46amHow many ounces are in a pound? 16. So you multiply the number of ounces (z) by 16 to get the pounds. Therefore,

p(z) = 16z

The selling price (s) is the original cost (c) plus 45%. That is 1.45 * cost, or 1.45c. Therefore,

s(c) = 1.45c

- PRE*******ALGEBRA -
**Cierra C**, Tuesday, May 4, 2010 at 9:59pmThe total number of miles m(r) covered when you walk 7 miles before

lunch, and you walk for 2 hours at r mi/hr after lunch.

M(r)= r2+7

- PRE*******ALGEBRA -
**:)**, Monday, May 14, 2012 at 7:41pmthe answer is the answer.

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