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15-12-2020
Mathematics

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Dario spends 3 1/2 hours on the phone with technical support and pays $10. What is his unit rate?

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crystivia crystivia

15-12-2020

Answer:

20/7 dollars per hour

Step-by-step explanation:

He pays 10 dollars per 3 1/2 hours. To find the unit rate, we divide the two.

10 / (3 1/2) =

10 / (7/2) =

(10/1) x (2/7) =

20/7

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