Maintaining a healthy body weight is an important lifestyle factor for reducing the risk of non-communicable diseases, such as cardiovascular disease and Type 2 diabetes. The chart below is used to classify an adult's weight category based on their height and body mass.
a.[2]
An adult is 1.70 m1.70\text{ m}1.70 m tall and has a body mass of 90 kg90\text{ kg}90 kg. What is this person's weight category?
b.[3]
Another adult is 1.50 m1.50\text{ m}1.50 m tall. Using the grid, determine the range of body masses that would place this person in the Overweight category.