SOLUTION: A long distance phone call is 50 cents for the first minute and 25 cents for each additional minute. Write the formula and find cost for 0,1,2,3,4 minutes

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A long distance phone call is 50 cents for the first minute and 25 cents for each additional minute. Write the formula and find cost for 0,1,2,3,4 minutes      Log On


   

Question 944701: A long distance phone call is 50 cents for the first minute and 25 cents for each additional minute. Write the formula and find cost for 0,1,2,3,4 minutes
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
.5%2B.25n=c
c=total cost
n=number of minutes
0:.5%2B.25n=c
.5%2B.25%280%29=c
.5=c
$0.50
1:.5%2B.25n=c
.5%2B.25%281%29=c
.75=c
$0.75
2:.5%2B.25n=c
.5%2B.25%282%29=c
1=c
$1.00
3:.5%2B.25n=c
.5%2B.25%283%29=c
1.25=c
$1.25
4:.5%2B.25n=c
.5%2B.25%284%29=c
1.5=c
$1.50