Question

I don't understand this question can someone help me with this please, please explain!! and thank you for the help!! If u dont know try your best. Please do it quick, please do all :D

Answer 1

Explanation:

#1 the second one is correct. 2 3/20 < 2 1/4 < 2 29/60

#2 80 seconds

#3 The second one is the correct answer