Name October 2, 2018 Review #1 Test #1. 1) Which of the following is NOT a correct method to write a ratio?

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1 Name October 2, 2018 Review #1 Test #1 1) Which of the following is NOT a correct method to write a ratio? figs a) figs x trees b) figs : trees c) figs to trees d) trees 2) Heidi can bake 12 cookies in 15 minutes. How many cookies can she bake in one hour? a) 24 b) 30 c) 48 d) 60 3) If Steve can read 15 pages in 10 minutes, how many pages can he read in 90 minutes? a) 150 pages b) 135 pages c) 90 pages d) 25 pages 4) The cafeteria has 28 bottles of orange juice and 14 bottles of apple juice. What is the ratio of orange juice to the total number of bottles in simplest form? a) 2 : 3 b) 3 : 2 c) 28 : 42 d) None of these

2 5) A ratio is a) a comparison of two numbers by division. b) a comparison of two numbers by adding. c) a comparison of two numbers by place value. D) a comparison of two numbers by subtracting. 6) An aquarium has 7 guppies, 3 angelfish, 5 butterfly fish, and 6 boxfish. Write the ratio of angelfish to the total number of fish in the aquarium as a fraction in simplest form. a) b) 21 c) 3 1 d) 7 1 7) Given the following ratio table, find the missing number. Number of Pencils Number of Students ,280 a) 8 b) 40 c) 55 d) 110 8) Alyssa finished reading a novel in 8 days. The book was 320 pages. If Alyssa read an equal number of pages each day, how many pages did she read each day? a) 32 pages per day b) 40 pages per day c) 80 pages per day d) 94 pages per day

3 9) Looking at the picture below, the number of cows to pigs is 7:3. This means, a) For every three pigs, there are 7 cows. b) Three out of every 10 animals are pigs. c) Seven out of 10 animals are cows d) For every 7 cows, there are 3 pigs. 10) Gatorade was on sale last week. It cost $10 for every 4 packs of Gatorade. How much does 1 pack of Gatorade cost? a) $2.05 b) $2.50 c) $2.40 d $ ) Which of the following has the same value as the ratio 3:7? a) 21:49 b) 12:28 c) 14 6 d) All of the above.

4 12) Which of the following ratios is equivalent to 14:7? W) 2:1 X) 1:2 Y) 28:14 Z) 21:3 a) W & Y b) W only c) Y only d) All of them 13) Find the missing number so they are equivalent ratios. a) 8 b) 16 c) 17 d) 24 3 = ) Mr. Rivers bought 5 pens for $1.50. At this rate, how much will he spend on 15 pens? a) $ 1.50 b) $ 2.50 c) $ 3.00 d) $ ) The dimensions of a flower garden are 15 feet long and 6 feet wide. In simplest form, what is the ratio of the garden s width to its length? 6 ft. 15 feet a) 2:5 b) 6:15 c) 5:3 d) 15:6

5 Name October 2, 2018 Review #1 Test #1 Part II Short Answer: Please SHOW ALL WORK! Partial credit will be awarded whenever appropriate. 1) Wells College in Aurora, New York was previously an all-girls college. In 2005, the college began to allow boys to enroll. By 2012, the ratio of boys to girls was 3 to 7. If there were 217 girls in 2012, how many boys were enrolled that year? Answer: boys were enrolled that year. 2) Jodi s car used 12 gallons of gas to travel 465 miles. How many miles did her car travel per gallon of gas? Answer: miles per gallon It cost Jodi $44.88 to buy 12 gallons of gas. What was the cost per gallon of gas? Answer:

6 3) Loren and Julie have different part time jobs after school. They are both paid at a constant rate of dollars per hour. The tables below show Loren and Julie s total income (amount earned) for working. Loren Julie Hours Dollars Hours Dollars a. Find the missing values in the two tables above. b. Who makes more per hour? Explain your answer..

7 4) The table below shows the number of tea bags needed to make different amounts of iced tea. Number of Tea Bags Total Quarts of Iced Tea ? 36 9 What is the total number of quarts of iced tea that can be made with 24 tea bags? Show your work to justify your answer. Answer: tea bags 5) Stan says that the ratio of purple grapes to green grapes is 8:3. Bob said he agreed with that, but he said the ratio of purple grapes to green grapes is 24:6. Is Bob s ratio equivalent to Stan s ratio? Yes or No and why or why not? Yes, because. OR No, because.

8 DO NOT DO #6! This ty pe of problem is NOT on the test. 6) Isabella and Stella were selling water bottles to raise money for the new uniforms. Isabella sold 6 water bottles for every 4 water bottles Stella sold. Together, they sold a total of 200 water bottles. How many water bottles did each girl sell? {Hint: Get the total water bottles they sold first} = Isabella sold water bottles Stella sold water bottles 7) Nine out of every 13 dogs is black. If there are 195 dogs, how many of them would you expect to be black? = Answer: There would be black dogs out of 195 dogs.

9 8) Find the unit cost and determine which is the better buy? Circle your answer. Two jars of peanut butter for $3.90 OR 3 jars of peanut butter for $6.15 Unit Cost = $ Unit Cost = $ 9) Find the unit rate and use the unit rate to answer the following question. 2,535 miles in 5 days ~ how many miles in 16 days? Answer: miles in 16 days. 10) There are 24 birds in a bird cage. If the zoo keeper wants to divide the birds up into two cages so that they have a ratio of 1 to 3, how many birds would go in the first cage and how many would go into the second cage? You may use the ratio table below if you want to. Cage 1 Cage 2

10 Cage 1 = Cage 2 = Vocabulary: Write down each of the vocab words (NOT DEFINITIONS) that you have defined from your Vocabulary Packet in your binder. 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15)