Question

Faith is going to use a computer at an internet cafe. The cafe charges $0.80 for every minute using a computer on top of an initial charge of $3. Make a table of values and then write an equation for C,C, in terms of t,t, representing the total cost of using a computer for tt minutes at the internet cafe.

Answer 1

*t (minutes) *C (cost)

0 3

1 3.8

2 4.6

3 5.4

4 6.2

n 3 + 0.8n

The equation for C, in terms of t, is C = 3 + 0.8t. This equation represents the total cost of using a computer for t minutes at the internet cafe.