Customers of a phone company can choose between two service plans for long distance calls. The first plan has a
$16
monthly fee and charges an additional
$0.10
for each minute of calls. The second plan has no monthly fee but charges
$0.14
for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?

Question

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a 
$16
 monthly fee and charges an additional 
$0.10
 for each minute of calls. The second plan has no monthly fee but charges 
$0.14
 for each minute of calls. For how many minutes of calls will the costs of the two plans be equal?

anonymous · Answer

@ksanka could you guide me the same way with this one?

anonymous · Answer

which value that is given for 1st plan is depend on minutes?

anonymous · Answer

$0.14

anonymous · Answer

for 2nd yes. for 1st it will be $0.10

anonymous · Answer

ok.

anonymous · Answer

which value for 1st plan is constant?

anonymous · Answer

@ksanka  I don't understand that part.

anonymous · Answer

it is $16. This cost doesn't change anytime

anonymous · Answer

for 2nd plan there is no constant value

anonymous · Answer

ok.

anonymous · Answer

1st plan
$16 + $0.10*n, where n are minutes
2nd plan
$0.14*n

anonymous · Answer

Ok, So that is when you combine both

anonymous · Answer

0.14n=16+0.10n
0.04n=16
n=400

anonymous · Answer

So the answer is 400

anonymous · Answer

@ksanka ?