Question

A fourth grader breathes about 90 gallons of air per hour. Shana, a fourth grader, arrives at school at 8:00 A.M. and leaves at 3:00 P.M. How many gallons of air does she breathe at school? ​

Answer 1

Shana breathes roughly 720 gallons of air at school in a day

Explanation:

Shana is at school for 8 hours. 8x90=720