Answer:
38 pages per hour
Explanation:
Rate of reading =

By substituting the given values in the question,
Total number of pages read by Davida =
=

Time taken by Davida = 45 minutes
Since, 1 minute =
hours
Therefore, 45 minutes =
hours
Rate of reading =

=

= 38 pages per hour
Therefore, rate of reading by Davida is 38 pages per hour.