Question

Alex purchased a 6-hour calling card. He has used t minutes of access time. Wrote an algebraic expression to represent how many minutes he has remaining and identify the units for the expression.

Answer 1

T= Mins
1 hour = 60 mins
60 x 6 = 360
360 - T = x
X= How many minutes he has remaining

Answer 2

Answer:
`360-t` and the units for the expression is minutes.

Explanation:

Given : Alex purchased a 6-hour calling card.

Since , 1 hour = 60 minutes.

Then,
`6\text{ hours}=6*60=360\text{ minutes}`

He has used t minutes of access time.

Then , the algebraic expression to represent the number of minutes he has remaining :_

`360-t`

The units for the expression is minutes.