How does the speaker’s repetition of the neighbor’s cherished belief about the importance of walls (lines 27 and 45) convey the poem’s criticism of an undesirable social pattern?

1. the community center is putting on a play. there are several things the crew has to create for the scenery. (a) they spent $6.17 on each of 4 poster boards. how much did they spend on poster boards in total? show your work. (b) they spent $200.20 total on new lighting. each of the four lights cost the same amount. how much did they pay per light? show your work. (c) if the total budget was $300, how much more can they spend? show your work.