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