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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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In a survey of 300 adults, 32% said they read the daily newspaper, and 56% said they read only the Sunday newspaper. Estimate how many more adults surveyed read only the Sunday newspaper than the daily newspaper. Explain your reasoning.
Find the percent of the number.
of 94
In tennis, you can serve the ball a second time if your first serve is not successful. The table shows the first serves by you and your opponent in a match. How many more successful first serves did you have than did your opponent?
Write the percent as a fraction in simplest form, or write the fraction as a percent.
Use equivalent ratios to solve the proportion.
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