Jack's mother gave him 5050 chocolates to give to his friends at his birthday party. he gave 33 chocolates to each of his friends and still had 22 chocolates left. write an equation to determine the number of friends (x)(x) at jack's party.

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?