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

Question

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

camerondoherty · Answer

c = cost

c = 75 + 25t

anonymous · Answer

lol when was your book written, 1976?

camerondoherty · Answer

It is c = 75 + 25t because c = cost
and the initial price is 75 plus 25 per minute
So if you talked for 10 minutes
it would be c = 75 + 25(10)
which would equal $3.25

anonymous · Answer

Thanks