SOLUTION: Nick traveled out of the country for a month. He purchased a plan from his cell phone company that would allow him to send text messages to friends and family back home.​ Nic
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Question 1109201: Nick traveled out of the country for a month. He purchased a plan from his cell phone company that would allow him to send text messages to friends and family back home. Nick's telephone company charges $ 0.40 for a regular text message and $ 0.70 for a multimedia text messages. This month Nick was billed $ 106 and he sent total of 205 messages. How many regular text messages and multimedia text messages did he send?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of reg text messages
Let = number of multimedia text messages
----------------------------------------------------
(1)
(2)
-----------------------------
(2)
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
----------------------------
and
(1)
(1)
-----------------------
He sent 125 regular and
80 multimedia messages
----------------------------
check:
(2)
(2)
(2)
(2)
OK
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