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17. =- 18 6 Write an equation and solve. 18. The difference of double the number and one is twenty-one. Find the number. Solve. 19. Ann had $910.00 in her checking account. She wrote two checks: one for $410.30 and buone for $150.55. At the end of the week Ann deposited her $500.00 paycheck into her account. What is the balance now? 20. 40 is 33% of what number? 21. If you got 8 out of 28 questions wrong on

17. =- 18 6 Write an equation and solve. 18. The difference of double the number and one is twenty-one. Find the number. Solve. 19. Ann had $910.00 in her checking account. She wrote two checks: one for $410.30 and buone for $150.55. At the end of the week Ann deposited her $500.00 paycheck into her account. What is the balance now? 20. 40 is 33% of what number? 21. If you got 8 out of 28 questions wrong on

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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18 Write an equation and solve. 18. The difference of double the number and one is twenty-one. Find the number. Solve. 19. Ann had $910.00 in her checking account. She wrote two checks: one for $410.30 and buone for $150.55. At the end of the week Ann deposited her $500.00 paycheck into her account. What is the balance now? 20. 40 is 33% of what number? 21. If you got 8 out of 28 questions wrong on an exam, what percent did you answer correctly? 22. A sweater priced at $110 is on sale for 32% off. What is the sale price of the sweater? 23. What percent is 92 of 41? 10 24. Cindy had 6 cans of paint and used 3/ cans for a project. How much paint is left?
Transcribed Image Text:18 Write an equation and solve. 18. The difference of double the number and one is twenty-one. Find the number. Solve. 19. Ann had $910.00 in her checking account. She wrote two checks: one for $410.30 and buone for $150.55. At the end of the week Ann deposited her $500.00 paycheck into her account. What is the balance now? 20. 40 is 33% of what number? 21. If you got 8 out of 28 questions wrong on an exam, what percent did you answer correctly? 22. A sweater priced at $110 is on sale for 32% off. What is the sale price of the sweater? 23. What percent is 92 of 41? 10 24. Cindy had 6 cans of paint and used 3/ cans for a project. How much paint is left?
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