3 Variables / 3 Equations The table below shows the percent of comedies, drama, and action videos available at a
video store. Assume that the store has a collection of 3,405 general videos to be rented,
1,070 children's videos to be rented, and 1,225 videos for sale. Write and solve a system
of equations to find out how many comedies, dramas, and action movies are at the store.
Store section
General rental
Children's rental
Videos for sale
Comedy
55%
25%
20%
Drama
65%
10%
25%
Action
60%
20%
20%
Anna, Marcus, and Christopher will not disclose their weights but agree to be weighed in
pairs. Anna and Bob together weighed 226 pounds. Bob and Chris together weigh 210
pounds. Anna and Chris together weigh 200 pounds. How much does each student
weigh?
X-3.405

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

Hye ryung is the president of the local chapter of the american medical students association (amsa). she is organizing local outreach and informational meetings. at her first meeting there are five people present (including herself). every month after that her group grows by 5 people. a. how many members are in the group after 6 months? b. the logistics of hosting and feeding her group at meetings was more complicated than expected. the cost of feeding 5 people at her first meeting was $30, for 10 people it was $35, for 15 it was $45, and after 6 months all of the costs had added up to $100. write a function to model the cost with the number of people attending meetings. c. what connections can you make between the linear growth of the group’s membership and the increasing costs of running meetings?

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below: