You want to buy a $97 t shirt you ask your mom for $50 and your dad for $50 50+50=100 you buy the shirt 100-97=3 you give ur dad a dollar and ur mom a dollar so u ow 49 dollars to each 49 + 49 = 98 plus the dollar u kept 98+1=99 were is the extra dollar

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?