The American Heart Association is about to conduct an anti-smoking campaign and wants to know the fraction of Americans over 4545 who smoke. Step 1 of 2 : Suppose a sample of 484 Americans over 45 is drawn. Of these people, 344 don't smoke. Using the data, estimate the proportion of Americans over 45 who smoke. Enter your answer as a fraction or a decimal number rounded to three decimal places.

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?