SHOW WORK PLEASE! 3 Questions! THANK YOU

1) Josie is training for a race. The ratio of the number of minutes she runs to the number of miles she runs is 24 to 3. We plans to run 10 miles. How many minutes will it take her?

2) In the first week of January, there are 49 dogs and 28 cats in an animal shelter. Throughout the month, the ratios of dogs to cats remain the same. In the last week of January, there are 20 cats in the shelter. How many dogs are there?

3) Wedding planner uses 72 ivy stems for 18 centerpieces. When she arrives at the venue, she realizes she will only need 16 centerpieces. How many ivy stems should she use so that the ratio of ivy stems to Centerpieces stays the same?