The chart below shows four friends' target heart rate zones. during their last spin class, each person averaged 170 beats per minute. based on this information, who worked at the highest intensity level? name target heart rate zone janna 146bpm—188bpm shania 145bpm—188bpm paige 140bpm—182bpm mimi 140bpm—185bpm

Mrs. kirby, 58, is a moderately active woman. she works in the garden almost daily, occasionally walks with her friends, and babysits her three very active young grandchildren every weekend. she eats a fairly standard diet every day: she has cereal with milk and coffee for breakfast, some kind of salad for lunch, and a piece of meat or fish with a healthy of veggies for dinner. she usually skips desserts or has just a couple of strawberries. when asked to look at the food labels and calculate her intake of carbohydrates, fats, and proteins in grams over the entire day, on an average day, she came up with the following numbers: carbohydrates: 243 g fats: 41 g proteins: 63 g calculate what percentage of mrs. kirby's total energy intake came from carbohydrates.