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Chapter 7: Q. 4 (page 347)
Write the percent as a fraction in simplest form, or write the fraction as a percent.
The simplest fraction form of 98% is .
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Find the percent of the number.
of 130
Alfalfa plant can take up metals from the ground and store them in their roots and stems. In 2002, a scientist claimed that an alfalfa plant could produce 20% of its weight in gold by taking up tiny gold particles left behind from rock mining. How many pounds of gold could be produced from 3000 ponds of alfalfa plants?
The table shows the results of a class survey that asked 800 students where they make most of their purchases.
Where purchase | Percent |
Record stores | 45% |
Other stores | 36% |
Music clubs | 9% |
Internet | 8% |
Other | 2% |
Use a proportion to answer the question. What percent of 72 is 54?
Usethe definition of percent to explain why .
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