Jeffrey S. answered 04/26/16
Tutor
5
(43)
Chemistry Teacher
The answer is 7 times. Since according to the key 2|1 is 21 that means he skated for times of: 20, 21, 25, 27, 27, 30, and 35
Kat I.
asked 04/26/16
Jeffrey S. answered 04/26/16
Chemistry Teacher
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.