What is purpose of the underlined part of the sentence

What is the average diastolic blood pressure for adults

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.