Aisha owns a small business selling used books. She knows that in the last week 11 customers paid cash, 33 customers used a debit card, and 72 customers used a credit card. If next week, she is expecting 1200 customers, about how many would you expect to pay with a debit card? Round your answer to the nearest whole number. Answer:

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Determine total customers and proportion: Determine the total number of customers from last week and the proportion that paid with a debit card. Customers who paid cash: 11 Customers who used a debit card: 33 Customers who used a credit card: 72 Total number of customers from last week: 11 + 33 + 72Calculate total customers: Calculate the total number of customers from last week. Total number of customers = 11 + 33 + 72 = 116Calculate proportion of debit card users: Calculate the proportion of customers who paid with a debit card. Proportion of debit card users = Number of debit card users / Total number of customers Proportion of debit card users = 33 / 116Calculate expected debit card users: Calculate the expected number of customers who will pay with a debit card next week. Expected number of debit card users = Proportion of debit card users × Total expected customers next week Expected number of debit card users = (33 / 116) × 1200Perform calculation for expected users: Perform the calculation to find the expected number of debit card users. Expected number of debit card users = (33 / 116) × 1200 ≈ 341.379Round expected users: Round the expected number of debit card users to the nearest whole number. Rounded expected number of debit card users = 341 (since 0.379 is closer to 0 than to 1)

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