I need help with these two questions

Write a real-world word problem that can be solved by adding 34.99 and 5.79. then solve

Alarge rectangle is divided into four smaller rectangles.

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31