Answer: [tex]360-t[/tex] and the units for the expression is minutes.
Step-by-step explanation:
Given : Alex purchased a 6-hour calling card.
Since , 1 hour = 60 minutes.
Then, [tex]6\text{ hours}=6\times60=360\text{ minutes}[/tex]
He has used t minutes of access time.
Then , the algebraic expression to represent the number of minutes he has remaining :_
[tex]360-t[/tex]
The units for the expression is minutes.
