442 Chapter 12Lessons 1–14Find the percentage of the number. (See pp. 414–419.)- 25% of 20 2. 3% of $7.20 3. 52% of 60
- 33 ^13 % of 48 5. 62.5% of 800 6. 150% of 40
Find the percent or rate. (See pp. 420–421.)- What percent of 8 is 2? 8. What percent of 100 is 12?
- 48 is what percent of 192? 10. 2.2 is what percent of 40?
Find the sales tax and total cost of each item. (See pp. 428–429.)- $35.20 radio, 5% sales tax 12. $500 refrigerator, 6
1
2 % sales tax
Estimate to decide which is the better buy. (See pp. 430–431.)- 3 pairs of socks for $2.08 14. Dozen oranges for $3.15
1 pair of socks for 60¢ Oranges: 25¢ each
Draw a circle graph of the favorite pets of a Grade 6 class. (See pp. 436–437.)- Dog: 40 students Bird: 0 5 students Fish: 15 students
Cat: 30 students Other: 10 students - Seventeen percent of the 500 pages 17. This year the price of a calculator
of a magazine contain photos. is 110% of last year’s price of $50.
How many pages contain photos? What is the price this year? - The rate of discount on a $560 19. Find the commission on sales of
DVD player is 15%. Find the discount $2000 if the rate of commission
and the sale price. is 8%. - Carl loaned his sister $375. That 21. Judy borrows $1200 at 4% simple
is 15% of Carl’s savings. How interest for 2 years. At the end of the
much did Carl have in savings? loan, how much principal and interest
must she pay? - Mr. Kirkpatrick’s regular salary is $1500 per month. His rate
of commission is 4%. How much does he make in a month
when his total sales are $10,000?
(See pp. 420–427, 432–435, 438–441.)(See Still More Practice, p. 530.)8206-2_442 3/20/06 9:57 AM Page 442