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Chapter 3: Q. 3.111 (page 396)

Taleisha鈥檚 phone plan costs her \(28.80 a month plus \)0.20 per text message. How many text messages can she use and keep her monthly phone bill no more than $50?

Short Answer

Expert verified

Taleisha can use106 text messages.

Step by step solution

01

Step 1. Given information

We have been given that Taleisha鈥檚 phone plan costs her $28.80 a month plus $0.20 per text message.

We have to find how many text messages can she use and keep her monthly phone bill no more than $50.

02

Step 2. Translate the given information into an inequality. 

Choose a variable to represent that quantity.

x=numberoftextmessages

Taleisha鈥檚 phone plan costs her $28.80 a month plus $0.20 per text message.

28.8+0.2x鈮�50

03

Step 3. Solve the inequality  

28.8+0.2x鈮�500.2x鈮�50-28.80.2x鈮�21.2x鈮�21.20.2x鈮�106

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