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Mat bought a phone for $100. He has to pay $30 per mouth. If he has paid $640 in total, how many mouth has he had the phone?

Respuesta :

Answer: 18 months


Step-by-step explanation:

$640-$100purchse of phone=$540

$540/$30= 18 months

vamok

Answer:

18 months.

Step-by-step explanation:

I am assuming the $100 dollars was the initial purchase price.

If that is true we subtract from the $640 total payed:

640 - 100 = $540 dollars.

Next we divide the 540 by the monthly $30 dollar rate:

540 / 30 = 18

Check our work:

18 months @ 30/month = 540 + 100 dollar down payment = 640.

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