Question

The cost of a telephone call is 75 cents plus 25 cents per minute. Write an algebraic expression that models the cost of a telephone call that lasts t minutes.

Answer 1

y=.75x+.25

.75(1)+.25= $1.00
x= the number of phone calls y= the total 

Answer 2

75 + 25 x t = Answer 

Example: 
t= 2 minutes
75 + 25 x 2 = $2.00