Carla served 12 tables in 2 hours. She claims that she can serve 48 tables in 8 hours. To support Carla's claim, which of the following statements must be true?

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?

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4