The diameter of a quarter is 2.4 centimeters. the diameter of a dime is
1.8 centimeters. angelica places 100 quarters and 70 dimes side by side in a row.
(a) how long, in meters, is angelica’s row of coins? describe each step you took
to solve the problem.
(b) use estimation to explain how you know your answer is reasonable.
(c) how much money does angelica have? show two different ways to solve
this problem.

Problems and applications q5 four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to watch. here is their willingness to pay for each film: willingness to pay (dollars) shen antonio dmitri jake first film 10 9 8 3 second film 8 7 6 2 third film 6 5 4 1 fourth film 4 3 2 0 fifth film 2 1 0 0 within the dorm room, the showing of a movie a public good. if it costs $12 to rent a movie, the roommates should rent movies in order to maximize the total surplus. suppose the roommates choose to rent the optimal number of movies you just indicated and then split the cost of renting equally. this means that each roommate will pay $ .