To determine how many more customers the internet service provider needs to reach their goal of 35,000 customers in ten years, we can follow these steps:
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Find the number of customers the provider has now after gaining new customers. \[ \text{Total customers this year} = \text{Last year's customers} + \text{Net gain this year} \] \[ \text{Total customers this year} = 17,156 + 1,802 = 18,958 \]
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Calculate how many more customers are needed to reach the goal of 35,000 customers. \[ \text{Customers needed} = \text{Goal} - \text{Total customers this year} \] \[ \text{Customers needed} = 35,000 - 18,958 = 16,042 \]
Therefore, they need approximately 16,042 more customers to reach their goal.