Chapter 4. Percentages and Ratios
Pre-Test Question:
Math and Graphing Review
true
true
You must read each slide, and complete any questions on the slide, in sequence.
Question
FsatfllIEV7hpXltSDdN5IW5Q/kXs3rS4HBOI6HdvyH85OGiojmZIurRReipuJCmwaPMe0WD1vq8/p3OYyYzLK9WgoyVtQ+xHWYUWHXhcQc0N8Lwtzz2Z6LTv/lyanQbnUgz9Wz4A/sGCrVG/ddtGB8L+5WFi9XcbDMNtw51NwDwi2kygcg6ybgBunzHDRbcRiYZiyv8HunxbZetkpzxkAIYLbtAGDrrwMHxNuyfhpyWIjmDCorrect! The fraction of water in the final product is 4/5.
Sorry,the fraction of water in the final product is 4/5 because there are four cans of water out of a total of five cans (four cans water and one can concentrate).
Video
Post-Test Questions:
Question 4.1
Ic0lIwPGB9Gkxai4hCRiK9QaNo4y7lUO+xMiVAushHyiCgYS+UzAivh+wYqMAqBH7rJhnr5QREmyFmk9opPocD9+Oa6DIfoPkktKxxvz79qnXB1SrA4ltNjslbs1RrDqsD717FoKp8fzhJwKH26SDvecoEH4Tzyigq9WliLyLyqBoph7HkiIoKCs1vouqQus1iohSIiwfbrPkIgpzs/MJHqpfE42MzqKH/Q3SWW4tHVTiLkN3k1qZkNYlgk=Correct! There is one senior for every five freshmen.
Sorry, there is one senior for every five freshmen so the ratio of seniors to freshmen is 1:5.
Question 4.2
i0JcPFtxWT+0LLU+7uYq6ZkThcljE//o/PxYWwuJHKU+xqGKJdCHT+Soz48oCzmIhCG1NWRbX3kWE/CQBQlUid23rQNFhXWzijcVywySM/UNFwqkwq1xgqjLs3RCNYLzI/3SQ1X1EbQfXzlprcCWgFyQ2JwRDNC1cuqcIo+MZUd4/CUyc2WsvVsFvvzJgqD2dF+rErpPeKH3wMpGv7MzePe3Hta4prTJWyq1ZGnzL4LHzyk4+AXpmHipx3qExBrMCorrect! Dave brought four of the six sodas safely to the table.
Sorry, Dave brought four of the six sodas safely to the table, having dropped two on his way there.
Question 4.3
4Q6SmhlTZj1UeoDaR+hDOMronsOLi0aGHlp3SnPnGBxlfAVvenmgiD+SlUv2elDykP3E0un4ijB+zlP3rQh9BXq4cql4fnrIU1vte1ihLa+fNYtXc0sJ8HPl82HGkEYsvXuyymEgJhtix9EtchjzhK/llcpEPgVlSEDU4xT0LnPf4cwR+46PddTBhUQPrfXl8CTb63PBU7SXbS41UU6CeStl2/CScnJbJfZwLz81GyhGDvuMXZJsLIMG0wFItMEQa4OafMCmpJqrZsT5/Md+a9sJqy9Zs/rlEDTXsfsk/zKwP/E5faEyzTihE5Xq8CwMn/O8KQ==Correct! If you bought the laptop for $750, you would be paying 75% of the full price ($1,000).
Sorry, if you bought the laptop for $750, you would be paying 75% of the full price ($1,000).
Question 4.4
//nFaTCs5os8WQj6xoa4GAlsCiY5T/vIImzevieBYWiA3IrGPwkV99t/JTQSiJO9BADpcJ0FvZz5mFueG/xt1POaXfKSaxeUAvo6pxuGyHRO+s/NwkwIcwefim80pFQGvBTI6angOGdCw7fyLIsNMTqMlrhhUQXqujgp6Bwmegn0WkRHHqiRTN3JMDXJmuHpyo990KcO/EiWBAgyN5Bu5Q==Correct! Half or 50% of the kittens are black.
Sorry, half or 50% of the kittens are black.
Question 4.5
jdYgIq0a/faLm+4gTO07eK/m9qVRs+f/903VBcX7poDcHlRVidCS/Eazh9LKkMirY6SvE+BregAketjR/6YuiaaxjIipyfTiP5JL5LRn61tpzghIXB6jHZ4kaEPCjMPbwbW9f5yqvX8nBYdYvUiZgxMCFBK/HuXw5kB7HEZ0DK8ZPZMdiQOi+34Sm6h349XZhV+rgRCBjDi7YaHmMRGjIsQ1UYXjk+abWrywDg==Correct! The ratio of black kittens to white kittens is three to one.
Sorry, the ratio of black kittens to white kittens is three to one. There are three black kittens for every white kitten.