Answered

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Alex and George are each charged a constant rate for every text they send on their cell phones, shown in the table below:Number ofTexts (0)AmountCharged (a)$0.20$0.40$0.6023At the end of the month, Alex learned that he had sent 150 texts and paid $30 for his bill. George learned that he had sent 125 texts and paid $6.25.Who paid the correct amount? How do you know?

Sagot :

the payment rate is $0.2 per texts. So Alex should pay

[tex]150\cdot0.2=30[/tex]

so the paid is correct for Alex. And we know because it follows the payment rate