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Chapter 7: Q52. (page 348)
Evaluate the expression when .
The solution of expression is 7.
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Write the percent as a fraction in simplest form, or write the fraction as a percent.
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?
Write the fraction as a percent.
Write the fraction as a percent.
Find the percent of the number.
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