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Section 3.5 Write Ratios and Proportions

Section 3.5 Write Ratios and Proportions. Goal: Find ratios and write and solve proportions. Rate :. A function that compares two quantities measured in different units. Proportion:. An equation that states that two ratios are equivalent.

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Section 3.5 Write Ratios and Proportions

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  1. Section 3.5Write Ratios and Proportions Goal: Find ratios and write and solve proportions

  2. Rate: A function that compares two quantities measured in different units Proportion: An equation that states that two ratios are equivalent

  3. The ratio of two quantities, a and b, where b is not equal to zero, can be written in 3 ways: 1._____ 2._____ 3._____ a to b a : b

  4. Ex. 1: A person makes 6 long distance calls and 15 local calls. 1a. Find the ration of long distance calls to local calls: 1b. Find the ratio of long distance calls to all calls:

  5. Ex. 2: Ken and Heather are selling tickets to their schools talent show. Ken sold 36 tickets, and Heather sold 44 tickets. Find the specified ratio. 2a. The number of tickets Ken sold to the number of tickets Heather sold: 2b. The number of tickets Heather sold to the number of tickets they both sold:

  6. An empty swimming pool is being filled with water. After 5 minutes the pool has 400 gallons of water. If the pool has a volume of 11,200 gallons, how long does it take to fill the empty pool?

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