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

WRITE A FUNCTION RULE TO DESCRIBE EACH SITUATION.

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 3:46am
How 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 9:59pm
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.

M(r)= r2+7

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

## Answer This Question

## Related Questions

- Math - Write a function rule to describe each situation The sellings price s(c) ...
- Math - Write a function rule to describe each situation The sellings price s(c) ...
- Pre-Algebra - 1. Given the function rule f(x) = x² – 3x + 2, what is the output ...
- math - In economics, revenue Upper R is defined as the amount of money derived ...
- algebra - Write an exponential function to model the situation. Then predict the...
- Pre-Calculus - A population of 20 rabbits is introduced to a small island. The ...
- Math ASAP please - 13. Mia charges $2.25 per hour when she babysits, plus $5.00 ...
- pre algebra - Write a rule that expresses the number of quarts q of a liquid as ...
- math - The wholesale cost of a video game is $459.45. The original markup was 51...
- math - The wholesale cost of a video game is $459.45. The original markup was 51...

More Related Questions