Pre-Algebra Chapter 6 - Ramsey School District
Pre-Algebra Chapter 6 - Ramsey School District
Pre-Algebra Chapter 6 - Ramsey School District
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Practice and Apply<br />
Homework Help<br />
For<br />
Exercises<br />
See<br />
Examples<br />
12–27, 39 1–3<br />
28–33 4<br />
34–38 5<br />
Extra Practice<br />
See page 738.<br />
Solve each problem using the percent equation.<br />
12. 9 is what percent of 25? 13. 38 is what percent of 40?<br />
14. 48 is 64% of what number? 15. 27 is 54% of what number?<br />
16. Find 12% of 72. 17. Find 42% of 150.<br />
18. 39.2 is what percent of 112? 19. 49.5 is what percent of 132?<br />
20. What is 37.5% of 89? 21. What is 24.2% of 60?<br />
22. 37.5 is what percent of 30? 23. 43.6 is what percent of 20?<br />
24. 1.6 is what percent of 400? 25. 1.35 is what percent of 150?<br />
26. 83.5 is 125% of what number? 27. 17.6 is 133 1 % of what number?<br />
3<br />
28. FOOD A frozen pizza is on sale at a 25% discount. Find the sale price of<br />
the pizza if it normally sells for $4.85.<br />
29. CALCULATORS Suppose a calculator is on sale at a 15% discount. If it<br />
normally sells for $29.99, what is the sale price?<br />
Find the discount to the nearest cent.<br />
30. 31. $85 cordless phone, 20% off<br />
32. $489 stereo, 15% off<br />
33. 25% off a $74 baseball glove<br />
SALE! 25% off<br />
Original<br />
Price:<br />
$65<br />
The percent equation<br />
can help you analyze<br />
the nutritional value<br />
of food. Visit www.prealg.com/webquest<br />
to<br />
continue work on your<br />
WebQuest project.<br />
Find the interest to the nearest cent.<br />
FCB<br />
34. 35. $4500 at 5.5% for 4 1<br />
First City Bank<br />
2 years<br />
36. $3680 at 6.75% for 2 1 Amount:<br />
$5432<br />
4 years<br />
Annual Interest Rate: 6.2%<br />
Time:<br />
3 years 37. 5.5% for 1 3 years on $2543<br />
4<br />
38. BANKING What is the annual interest rate if $1600 is invested for 6 years<br />
and $456 in interest is earned?<br />
39. SPORTS One season, a football team had 7 losses. This was 43.75% of the<br />
total games they played. How many games did they play?<br />
40. REAL ESTATE A commission is a fee<br />
paid to a salesperson based on a percent of<br />
sales. Suppose a real estate agent earns a<br />
3% commission. What commission would<br />
be earned for selling the house shown?<br />
41. BUSINESS To make a profit, stores try<br />
to sell an item for more than it paid for<br />
the item. The increase in price is called<br />
the markup.<br />
Suppose a store purchases<br />
paint brushes for $8 each. Find the<br />
markup if the brushes are sold for<br />
15% over the price paid for them.<br />
www.pre-alg.com/self_check_quiz<br />
Lesson 6-7 Using Percent Equations 301
Change language