In 20 minutes, I ate 13 sub sandwiches. What is my rate in sandwiches per hour?
1 Answer
Mar 2, 2018
Explanation:
#"note that "20" minutes "=20/60=1/3" hour"#
#"and 1 hour "=3/3#
#rArr1/3+1/3+1/3=3/3#
#rArr3xx13=39" sandwhiches per hour"#
