“sarah made the trip in 10 hours, but it only took alice 8 hours to make the same trip. find sarah and alice's rates if alice's rate was 3 mph more than sarah's rate. “ i don’t know how to solve this.

What is negative 3/9 times negative 2/8 ?

Carla was trying to decide what to do saturday evening. she has $100 available to spend for the evening. she has narrowed her choices down to these events: braves game, a concert of an artist she likes, or the georgia aquarium. admission to the braves game is $25, hot dogs cost $10, sodas cost $5. the concert costs $25 for admission, $20 for a souvernir t-shirt, and $10 for a soda. the georgia aquarium has the show of a lifetime with an all you can eat and drink that costs $100. carla does not want to take any driving chances, so in addition to the cost of the aquarium, she will also need to pay for her uber/lyft, which is $15 each way. which option should carla choose if she wants to spend the least? based on that choice, what then is carla's oppotunity cost? fully explain your answer in at least one paragraph.

Collin did the work to see if 10 is a solution to the equation r/4=2.4