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## Adv. Math Chapter 22 Review

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**Use the picture to write the ratios.**Tell whether the ratio compares part to part, part to whole, or whole to part. All shapes to triangles. Rectangles to ovals. Ovals to all shapes.**Use the picture to write the ratios.**Tell whether the ratio compares part to part, part to whole, or whole to part. All shapes to triangles. 18 : 9 whole to part Rectangles to ovals. 3 : 6 part to part Ovals to all shapes. 6 : 18 part to whole**Which of the following shows**twoequivalent ratios? • a. 7 : 9 and 14 : 16 • 7 : 9 and 14 : 18**Which of the following shows**twoequivalent ratios? • 7 : 9 and 14 : 18 • 7 = 14 • 9 18**Write twoequivalent ratios for each of the following.**a. 12 : 15 b. 1 3**Write twoequivalent ratios for each of the following.**a. 12 : 15 24 : 304 : 5 b. 123 3 6 9 *Note: There is more than 1 right answer.**Tell whether the ratios form a proportion.**Write yes or no. 4 and2624and27 10 65 6 9**Tell whether the ratios form a proportion.**Write yes or no. 4 and2624and27 10 65 6 9 Yes No**Solve the following proportions using Cross Products. Show**your work!! 8 = x9 = 12 36 54 x 20**Solve the following proportions using Cross Products. Show**your work!! 8 = x9 = 12 36 54 x 20 36x = 8(54) 12x = 9(20) 36x = 43212x = 180 36 36 12 12 x = 12 x = 15**Use the formula Distance = Rate x Time(d = rt)to**solve the following:Valerie runs 1,200 meters in 8 minutes. What is her rate per minute?**Valerie runs 1,200 meters in 8 minutes. What is her rate**per minute?d = r t1,200 = 8r 8 = 8150 meters per minute = rate**Use the formula Distance = Rate x Time(d = rt)to**solve the following:Mr. Smith drove 275 miles at a rate of 50 miles per hour. How long did it take Mr. Smith to complete his trip?**Mr. Smith drove 275 miles at a rate of 50 miles per hour.**How long did it take Mr. Smith to complete his trip?d = r t275 = 50 t 50 = 505.5 hours = time**Are the figures similar?**6 = 10 3 5 30 = 30 YES**Are the figures similar?**4 = 2 2 1 4 = 4 YES**Are the figures similar?*Hint: Pay attention to position!**6 = 14.4 10 24 144 = 144 YES**What is the unit rate ? Show your work!!**a. Earn $56 for an 8 hour day b. Score 120 points in 15 games**What is the unit rate ? Show your work!!**• $$$56 = x • hours 8 1 x = $7 per hour • b. points120 = x • games 15 1 x = 8 points per game**If the map scale is 1 in. = 15 miles, what is the map**distance if the actual distance is 60 miles?**If the map scale is 1 in. = 15 miles, what is the map**distance if the actual distance is 60 miles? Inch 1 = xMiles 15 6015x = 1(60)15x = 6015 15x = 4 inches**It takes Kenny 25 minutes to inflate the tires of 50**bicycles. How long will it take him to inflate the tires of 120 bicycles?**It takes Kenny 25 minutes to inflate the tires of 50**bicycles. How long will it take him to inflate the tires of 120 bicycles?minutes 25 = x bicycles 50 120 50x = 25 (120)50x = 3,000 50 50x = 60 minutes**How many pizzas do you need for a party of 135 people if at**the last party, 90 people ate 52 pizzas?**How many pizzas do you need for a party of 135 people if at**the last party, 90 people ate 52 pizzas?pizzas 52 = x people 90 135 90x = 52 (135)90x = 7,020 90 90x = 78 pizzas**Practice,**Practice, Practice!