Rowan University Mathematics Average Speed Project

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xnepur2569

Mathematics

Rowan University

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2:47 4 Student < 2+ Assignment 11b: Comparing Ratios Submission Instructions: Write your answers to the problems on paper and then scan or take photos of those pages. If there are multiple pages to your completed assignment, you must submit them as one multi-page document (pdf, docx, jpg, or png). Directions: Complete each of the following. Partial credit will be given if enough work is shown to indicate some understanding of the solutions. 1. The ratio table shown below indicates that a particular shade of purple paint is made by mixing 5 pints of red paint with 6 pints of blue paint. Copy the table onto your paper and fill in the missing cells so that that amount of red and blue paint in each column would create a mixture that is the same shade of purple paint as the first mixture. Number of pints of red paint 5 15 Number of pints of blue paint 6 12 9 2. The ratio table shown below indicates that cans of soda are sold at a rate of 8 cans of soda for $5.20. Copy the table onto your paper and fill in the missing cells so that the quantities in each column are such that the cost per can of soda remains the same as the original price. Make sure you write the dollar amounts correctly. That is, $5.20 is correct but $5.2 is not a correct way to write money. Number of cans of soda 8 4 2 6 Cost $5.20 3. Student A ran 3 miles in 30 minutes and Student B ran 5 miles in 40 minutes. Set up a pair of ratio tables and create enough columns to satisfy both of the following requirements: a. For any column in each table, the number of miles for both students is the same. b. For any column in each table, the number of minutes for both students is the same. 4. Refer back to problem #3 and determine which student had a faster average speed by comparing the columns you made in which the number of miles was the same for both students. Clearly state which student had the faster average speed and how you used the quantities in those specific columns to determine who had the faster average speed. 5. Refer back to problem #3 and determine which student had a faster average speed by comparing the columns you made in which the number of minutes was the same for both students. Clearly state which student had the faster average speed and how you used the quantities in those specific columns to determine who had the faster average speed. 2:46 1 Student Assignment 11a: Fraction Word Problems Submission Instructions: Write your answers to the problems on paper and then scan or take photos of those pages. If there are multiple pages to your completed assignment, you must submit them as one multi-page document (pdf, docx, jpg, or png). Directions: Solve each of the following word problems by drawing either an area model or a strip diagram, as appropriate. Partial credit will be given if enough work is shown to indicate some understanding of the solutions. a. a. a. 1 1. A swimming pool is open for 6 hours a day. The pool keeps one lifeguard on duty at a time. Each lifeguard's shift is three-fourths of an hour. How many shifts are there per day? Draw a diagram to solve this problem. b. How many shifts are there per day? 3 2. Pam had Ž of a cake. She decorated half of what she had. How much of a whole cake did Pam decorate? Draw a diagram to represent this problem. b. How much of a whole cake did Pam decorate? 3. The gas tank on Marta's mini-bike holds 2/3 of a gallon of gas. She has 23/3 gallons of gas available. How many times can she fill up the tank if she lets it get completely empty each time? Draw a diagram to represent this problem. b. How many times can Marta fill up the gas tank? 4. Sarah baked cookies for her relatives. She gave – of what she baked to her aunt. From the cookies she had remaining, Sarah gave her grandmother of those. Sarah then gave the remaining cookies to her sister, which was 8 cookies. How many cookies did Sarah give to her grandmother? Draw a diagram to represent this problem. b. How many cookies did Sarah give to her grandmother? 5. Mollie has a collection of mystery books. She putį of the books on the first shelf of her bookcase. Next, she put į of the remaining books on the second shelf. Next, Mollie placed of the remaining books on the third shelf. Finally, she put all of the remaining books on the fourth shelf, which was 5 books. How many books did Mollie put on the first shelf? a. Draw a diagram to represent this problem. b. How many books did Mollie put on the first shelf? 5 6 a. 2 3 4
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