For the month of April, a checking account has a balance of \( \$ 509 \) for 25 days, \( \$ 2400 \) for 2 days, and \( \$ 247 \) for 3 days. What is the account's mean daily balance for April? The account's mean daily balance for April is approximately \( \$ \square \) (Round to two decimal places as needed.)
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The Deep Dive
To find the mean daily balance, you first calculate the total balance for the month and then divide by the total number of days in April (30 days). 1. Calculate the total balance: - For 25 days at \( \$ 509 \): \( 25 \times 509 = 12725 \) - For 2 days at \( \$ 2400 \): \( 2 \times 2400 = 4800 \) - For 3 days at \( \$ 247 \): \( 3 \times 247 = 741 \) Total balance for April: \[ 12725 + 4800 + 741 = 17966 \] 2. Next, divide the total balance by the number of days (30): \[ \text{Mean Daily Balance} = \frac{17966}{30} \approx 598.87 \] Thus, the account's mean daily balance for April is approximately \( \$ 598.87 \).