Concept explainers
The number of text messages if each one costs $.15.
Answer to Problem 31PPE
66.
Explanation of Solution
Given:
Each text message cost $.15 and you can spend no more than $10.
Calculation:
Let x be the number of text messages that you can send.
Then the cost of sending x text messages is,
Now given that the spending amount is no more than $10. That is,
Dividing by 0.15 on both sides, we get
Hence you can send 66 text messages.
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