19 review for quarterly.notebook

Transcription

1 ex) For the boys football team 35 boys were selected out of 50 boys that tried out. For the girls lacrosse team 21 girls were selected out of 30 that tried out. Are these ratios equivalent? Explain. ex) For the boys football team 35 boys were selected out of 50 boys that tried out. For the girls lacrosse team 21 girls were selected out of 30 that tried out. Are these ratios equivalent? Explain.

2 ex) Emily drove 300 miles on 10 gallons of gas. John drove 240 miles on 6 gallons. Who got the better gas mileage in miles per gallon? ex) Emily drove 300 miles on 10 gallons of gas. John drove 240 miles on 6 gallons. Who got the better gas mileage in miles per gallon?

3 4) Which is the better buy? $4.50 for a 6 pack of gatorade or a 4 pack for $3.20 4) Which is the better buy? $4.50 for a 6 pack of gatorade or a 4 pack for $3.20

4 ex) Cost of candy by weight Weight (lb) Cost ($) What is an equation to describe the relationship in the table. Use c for the cost of the candy and p for the number of lbs of candy. ex) Cost of candy by weight Weight (lb) Cost ($) What is an equation to describe the relationship in the table. Use c for the cost of the candy and p for the number of lbs of candy.

5 d) Use the equation to figure out how much 3 would 13 4 lbs of candy cost? c = 1.25p d) Use the equation to figure out how much 3 would 13 4 lbs of candy cost? c = 1.25p

6 I make $300 plus 8% of $20,000. How much will I make in total? I make $300 plus 8% of $20,000. How much will I make in total?

7 Anthony is offered a job as a salesman. His employer asks whether Anthony would like a salary of $350 per week and 4% commission on sales, or a salary of $220 per week and a 4.5% commission on sales. Which is better for Anthony, if he expects to make sales of $5,000 per week? Anthony is offered a job as a salesman. His employer asks whether Anthony would like a salary of $350 per week and 4% commission on sales, or a salary of $220 per week and a 4.5% commission on sales. Which is better for Anthony, if he expects to make sales of $5,000 per week?

8 Madison paid $14.11 for a shirt after it was on sale for 30% off. What was the original price before the discount? Madison paid $14.11 for a shirt after it was on sale for 30% off. What was the original price before the discount?

9 At this rate, how far will the car get in 18 hours? miles hours 3 4 At this rate, how far will the car get in 18 hours? miles hours 3 4

10 Which is the better buy? 5 sunglasses for $118 or 4 sunglasses for $94 Which is the better buy? 5 sunglasses for $118 or 4 sunglasses for $94

11 1 Mike can travel 204 miles in of an hour. What is his speed in miles per hour? Mike can travel 204 miles in of an hour. What is his speed in miles per hour? 1 4

12 What is 12% of 36? What is 12% of 36?

13 Conor bought a laptop that was originally priced $800. He had a coupon to save 20%, but he had to pay 8% sales tax on the sale price. How much did he end up paying for the laptop? Conor bought a laptop that was originally priced $800. He had a coupon to save 20%, but he had to pay 8% sales tax on the sale price. How much did he end up paying for the laptop?

14 After 40 hours of work, Matt made $624 what is his average hourly rate? After 40 hours of work, Matt made $624 what is his average hourly rate?

15 Laney can run 12 miles in 1 hours. What is her speed in miles per hour? Laney can run 12 miles in 1 hours. What is her speed in miles per hour?

16 To make cupcakes the number of cups of flour, F, is proportional to the number of eggs, 1 E, that you need. If Jenna uses 1 cups of 8 flour with 2 eggs, write an equation, using F and E, to represent this proportional relationship. To make cupcakes the number of cups of flour, F, is proportional to the number of eggs, 1 E, that you need. If Jenna uses 18 cups of flour with 2 eggs, write an equation, using F and E, to represent this proportional relationship.

17 At this rate, how far will the car get in 18.2 hours? miles hours 3 4 At this rate, how far will the car get in 18.2 hours? miles hours 3 4

18 Trinity paid $15 for a shirt after it was on sale for 35% off. What was the original price before the discount? Trinity paid $15 for a shirt after it was on sale for 35% off. What was the original price before the discount?

19 Gwen's rocket can travel 20 4 miles in seven hundredths of an hour. What is her speed in miles per hour? 1 Gwen's rocket can travel 20 4 miles in seven hundredths of an hour. What is her speed in miles per hour? 1

20 The tax on an item was $7.12. If the item originally cost $40. What was the tax rate to the nearest tenth of a percent? The tax on an item was $7.12. If the item originally cost $40. What was the tax rate to the nearest tenth of a percent?

21 The tax on an item was $3. If the item cost $80 after tax. What was the tax rate to the nearest tenth of a percent? The tax on an item was $3. If the item cost $80 after tax. What was the tax rate to the nearest tenth of a percent?

22 The tax on an item was $8.11. If the item cost $180 after tax. What was the tax rate to the nearest hundredth of a percent? The tax on an item was $8.11. If the item cost $180 after tax. What was the tax rate to the nearest hundredth of a percent?