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Contemporary Mathematics for Busin...

8th Edition
Robert Brechner + 1 other
ISBN: 9781305585447

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Chapter
Section
BuyFindarrow_forward

Contemporary Mathematics for Busin...

8th Edition
Robert Brechner + 1 other
ISBN: 9781305585447
Textbook Problem

Solve the following problem for the rate of increase or decrease. Round to the nearest tenth of a percent when necessary.

If a number decreases from 21 to 15, what is the rate of decrease?

To determine

To calculate: The rate of decrease if it is given that the number decreases from 21 to 15.

Explanation

Given Information:

The number decreases from 21 to 15.

Formula used:

Follow the steps mentioned below to determine the rate of increase or decrease:

Step1: Find the original and the new values and then calculate the difference between them.

Step2: Use the rate formula R=PB and then substitute the difference value calculated in the Step1 for Portion and the original value as the Base.

Step3: Calculate the value of Rate, the value of Rate will be in decimal form. So, convert it into percent form.

Calculation:

The number changes from 21 to 15 which shows it is a decrease.

Consider that the original value or the base is 21 and the new value is 15,

Now calculate the difference between original value and the new value to determine the value of portion P,

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Sect-6.I P-7RESect-6.I P-8RESect-6.I P-9RESect-6.I P-10RESect-6.I P-11RESect-6.I P-12RESect-6.I P-13RESect-6.I P-14RESect-6.I P-15RESect-6.I P-16RESect-6.I P-17RESect-6.I P-18RESect-6.I P-19RESect-6.I P-20RESect-6.I P-21RESect-6.I P-22RESect-6.I P-23RESect-6.I P-24RESect-6.I P-25RESect-6.I P-26RESect-6.I P-27RESect-6.I P-28RESect-6.I P-29RESect-6.I P-30RESect-6.I P-31RESect-6.I P-32RESect-6.I P-33RESect-6.I P-34RESect-6.I P-35RESect-6.I P-36RESect-6.I P-37RESect-6.I P-38RESect-6.I P-39RESect-6.I P-40RESect-6.I P-41RESect-6.I P-42RESect-6.I P-43RESect-6.I P-44RESect-6.I P-45RESect-6.I P-46RESect-6.II P-5TIESect-6.II P-6TIESect-6.II P-7TIESect-6.II P-8TIESect-6.II P-9TIESect-6.II P-10TIESect-6.II P-11TIESect-6.II P-12TIESect-6.II P-13TIESect-6.II P-1RESect-6.II P-2RESect-6.II P-3RESect-6.II P-4RESect-6.II P-5RESect-6.II P-6RESect-6.II P-7RESect-6.II P-8RESect-6.II P-9RESect-6.II P-10RESect-6.II P-11RESect-6.II P-12RESect-6.II P-13RESect-6.II P-14RESect-6.II P-15RESect-6.II P-16RESect-6.II P-17RESect-6.II P-18RESect-6.II P-19RESect-6.II P-20RESect-6.II P-21RESect-6.II P-22RESect-6.II P-23RESect-6.II P-24RESect-6.II P-25RESect-6.II P-26RESect-6.II P-27RESect-6.II P-28RESect-6.II P-29RESect-6.II P-30RESect-6.II P-31RESect-6.II P-32RESect-6.II P-33RESect-6.II P-34RESect-6.II P-35RESect-6.II P-36RESect-6.II P-37RESect-6.II P-38RESect-6.II P-39RESect-6.II P-40RESect-6.II P-41RESect-6.II P-42RESect-6.II P-43RESect-6.II P-44RESect-6.II P-45RESect-6.II P-46RESect-6.II P-47RESect-6.II P-48RESect-6.II P-49RESect-6.III P-14TIESect-6.III P-15TIESect-6.III P-16TIESect-6.III P-17TIESect-6.III P-18TIESect-6.III P-19TIESect-6.III P-20TIESect-6.III P-21TIESect-6.III P-22TIESect-6.III P-1RESect-6.III P-2RESect-6.III P-3RESect-6.III P-4RESect-6.III P-5RESect-6.III P-6RESect-6.III P-7RESect-6.III P-8RESect-6.III P-9RESect-6.III P-10RESect-6.III P-11RESect-6.III P-12RESect-6.III P-13RESect-6.III P-14RESect-6.III P-15RESect-6.III P-16RESect-6.III P-17RESect-6.III P-18RESect-6.III P-19RESect-6.III P-20RESect-6.III P-21RECh-6 P-1CRCh-6 P-2CRCh-6 P-3CRCh-6 P-4CRCh-6 P-5CRCh-6 P-6CRCh-6 P-7CRCh-6 P-8CRCh-6 P-9CRCh-6 P-10CRCh-6 P-11CRCh-6 P-12CRCh-6 P-13CRCh-6 P-14CRCh-6 P-1ATCh-6 P-2ATCh-6 P-3ATCh-6 P-4ATCh-6 P-5ATCh-6 P-6ATCh-6 P-7ATCh-6 P-8ATCh-6 P-9ATCh-6 P-10ATCh-6 P-11ATCh-6 P-12ATCh-6 P-13ATCh-6 P-14ATCh-6 P-15ATCh-6 P-16ATCh-6 P-17ATCh-6 P-18ATCh-6 P-19ATCh-6 P-20ATCh-6 P-21ATCh-6 P-22ATCh-6 P-23ATCh-6 P-24ATCh-6 P-25ATCh-6 P-26ATCh-6 P-27ATCh-6 P-28ATCh-6 P-29ATCh-6 P-30ATCh-6 P-31ATCh-6 P-32ATCh-6 P-33ATCh-6 P-34ATCh-6 P-35ATCh-6 P-36ATCh-6 P-37ATCh-6 P-38ATCh-6 P-39ATCh-6 P-40ATCh-6 P-41ATCh-6 P-42ATCh-6 P-43ATCh-6 P-44ATCh-6 P-45ATCh-6 P-46ATCh-6 P-47ATCh-6 P-48ATCh-6 P-49AT

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