<p>Name ______Date ______4.7ACC practice HW: Specific types of percent problems</p><p>1) A population of squirrels rose from 338 2) The heart rate of a grizzly bear slows to 520 over a period of 3 years. What is from 50 to 8 beats per minute during the percent increase, to the nearest hibernation. What is the percent tenth of a percent? decrease? </p><p>3) The sale price of a pair of jeans was 4) The bike shop purchased mountain bikes $29.95. The original price was $40. at the wholesale price of $434.69 each What was the percent markdown to the and sold them at the retail price of nearest percent? $630.30 each. What was the percent of increase to the nearest percent?</p><p>5) Jesse made ceramic figurines for a fair. 6) Sarah invests in stocks. Unfortunately, The materials for each figurine cost she made some poor decisions last year, $10.25. He sold them for $14.35. What and the value of her stock portfolio fell was the percent markup to the nearest from $24,638 to $13,874. What was the percent? percent decrease to the nearest percent?</p><p>7) Tynisha cut strips of ribbon for a craft 8) Jackie ordered 12 ounces of chees. She project. She needed each ribbon to be 5 received 2 more ounces than she needed. inches long. The ribbon she cut was What was the percent error? inches. What was the percent error?</p><p>9) Mario is cutting some boards to replace on his deck. The boards are supposed to be 12 feet in length. He discovers that one of the boards has a 2% error in that it is 2% too short. How many inches too short is the board?</p><p>10)Aubrey and David were estimating the value of two different houses. Aubrey estimated a $400,000 house to be $410,000. David estimated a $410,000 house to be $400,000. a) Hypotheize first: Is Aubrey’s and David’s percent error the same or different? Explain why.</p><p> b) Now find the percent error for both</p><p> c) Re-answer question a. Why did this happen?</p><p>11) Uri was comparing the hourly salaries for 2 different jobs. He estimated the salary for the first job to be $12/hour; it was actually $10/hour. He estimated the salary of the second job to be $46/hour; it was actually $50/hour. For which job is there a greater percent error? Explain why.</p><p>12)A person earns a 12% commission on sales. 13)A person sold $900 in merchandise and Find the amount this person earns on earned $135 in commission. What is her $1500 in sales. rate of commission?</p><p>14)Juliet sold a house for $325,000. What is 15)Jason sells building supplies and earns a her commission if she earns a 5% commission on his sales. Last week, he commission? sold $3,735 worth of building supplies. What percent commission did he receive if he earned $672.30?</p><p>$1200 for 2 years at 3% per year $5,000 for 6 months at 3% per year Find amount of interest. Find amount of interest</p><p>$3000 for 1½ years at 5% per year $2,000 for 4 years at 1% per 6 months Find total amount in account. Find total amount in account</p>