Answer:
The bill will be $26070.
Step-by-step explanation:
Your base plan costs you $30 a month
And each text sent or received is only 12 cents or $0.12.
Let the messages sent be = x
So, cost for messages become = [tex]0.12x[/tex]
Let total bill cost be = y
Now, total bill will comprise of monthly plan charges plus message charges.
So, equation forms:
[tex]y=30+0.12x[/tex]
Now, given is that In one month 217,000 messages were sent between two brothers in Philadelphia.
So, their approximate bill will be :
[tex]y=30+0.12(217000)[/tex]
=>[tex]y=30+26040[/tex]
=> y = 26070
Therefore, bill will be $26070.