Chapter 7: Q6. (page 353)
Use a proportion to answer the question. 18 is 45% of what number?
The number 18 is 45% of 40.
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Write the fraction as a percent.
The table shows how many of the 50 states entered the Union in each century. What percent of the states entered the Union after the 18th century?
A. 16%
B. 29%
C. 34%
D. 68%
Century | States |
18th century | 16 |
19th century | 29 |
20th century | 5 |
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?
Find the percent of the number.
of 130
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