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PERCENT OF A NUMBER Lesson 29 Section 2 Fractional percent |
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Example 1. Distinguish the following: a) Half of $600. b) ½% of $600.
a) Half of $600 is $300. b) ½% of $600 means Half of 1% of $600. 1% of $600 is $6 (Lesson 4, Question 6.) Therefore, ½% of $600 is $3 Example 2. How much is half, or 50%, of $824? How much is ½% of $824?
Again, ½% means Half of 1%. 1% of $824 is $8 ½% of $824 is $4 Note that half of $824 and ½% of $824 have the same digits: 4, 1, 2. ½% is equal to 1% of half Example 3. How much is ¼% of $800?
1% of $800 is $8 ¼% of $800 is $2 Example 4. Jacqueline deposited $2000 in the bank, where the interest is 3½% annually. In one year, how much interest will she earn?
1% of $2000 is $20 Therefore, 3½% is
She will earn $70 in interest. Example 5. Calculator problem. How much is 6½% of $104.16?
See:
This is approximately, $6.77. If your calculator does not have a percent key, then change 6.5% to a decimal (Lesson 4), and press = . Press
or Continue on to Section 3: To find the Base Introduction | Home | Table of Contents Copyright © 2021 Lawrence Spector Questions or comments? E-mail: teacher@themathpage.com |