Math 80 Final Exam Review

19. Perform the indicated operations 20. Perform the indicated operationsand simplify.and simplify.[CLO 3] Simplify algebraic expressions.21. Simplify.22. Simplify.23. Simplify.24. Simplify.25. Simplify.26. Simplify.27. Simplify.28. Simplify.29. Simplify.30. Simplify.[CLO 4] Solve problems involving fractions, ratio and proportion, and percent.31. If sales tax is figured at 7.25%, how muchtax will be added to the total purchase priceof three textbooks priced at $25, $35, and$52?33. To get more subscribers, a book club offeredthree books with an original total sellingprice of $61.75 for a special price of $12.35.a. What was the amount of the discount?b. What was the rate of the discount?35. If your income is $2560 a month and youplan to budget of your income for rent andof your income for food, how much doyou plan to spend each month on these twoitems?37. A real estate agent works on a 4%commission. What is her commission on ahouse that she sold for $175,500?32. A car salesman earns a commission of 7%on each car he sells. How much did he earnon the sale of a car for $12,500?34. How much simple interest would be paid ona loan of $1,000 at 15% for three months?36. If it took 5 hours to drive to your uncle’shouse, how long would you estimate thedrive to Disneyland to take? The distance toyour uncle’s house is 260 miles, and thedistance to Disneyland is 572 miles.38. Jen loaned Adam $19,130 at an interest rateof 19% for 2 years. How much will Adampay Jen at the end of 2 years? Round youranswer to the nearest cent, if necessary.