I’ll really appreciate it if you help me out on this one .

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?

Mabel paid $2.95 for a granola bar dimes and quarters. she used five few were quarters then dimes. how many dimes and quarters did she use to pay for the granola bar.

Afile that is 274 megabytes is being downloaded. if the download is 12.8% complete, how many megabytes have been downloaded? round your answer to the nearest tenth.