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Frank can sell 3 phone per day. He wants to sell 57 phones. How long will it take him to reach his goal if he has already sold 21 phones? Include your equation with your answer

Respuesta :

Answer:

Step-by-step explanation:

57-21=36

36/3= 12

12 days

the equation would be 57=3x-21

Answer:

it will take Frank 36 days to sell all of his phones because 3X12 = 36 and 21 + 36 = 57 phones

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