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A cell phone company charges a flat rate of $3.99 per month, with an additional charge of $0.05 per minute. How many minutes did Casey talk on her cell phone if her monthly bill was $38.44?

Respuesta :

Answer:

689 minutes

Step-by-step explanation:

Number of total minutes phone used is 689 minutes

Given that;

Monthly fixed charges = $3.99

Variable charges = $0.05 per minute

Total monthly bill = $38.44

Find:

How many minutes Cell phone used

Computation:

Total monthly bill = Monthly fixed charges + Variable charges(Number of total minutes phone used)

38.44 = 3.99 + (0.05)(Number of total minutes phone used)

Number of total minutes phone used = 689 minutes

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