Questions from College Mathematics


Q: Many tax preparation firms offer their clients a refund anticipation loan (

Many tax preparation firms offer their clients a refund anticipation loan (RAL). For a fee, the firm will give a client his refund when the return is filed. The loan is repaid when the IRS refund is s...

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Q: If $1 had been placed in a bank account in the

If $1 had been placed in a bank account in the year 1066 and forgotten until now, how much would be in the account at the end of 2026 if the money earned 2% interest compounded annually? 2% simple int...

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Q: Assume that the annual interest rate on a credit card is 25

Assume that the annual interest rate on a credit card is 25.74% and interest is calculated by the average daily balance method. The unpaid balance at the start of a 28-day billing cycle was $955.13....

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Q: A student bought 4 books: 1 for his father, 1

A student bought 4 books: 1 for his father, 1 for his mother, 1 for his younger sister, and 1 for his older brother.

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Q: How long will it take money to triple if it is invested

How long will it take money to triple if it is invested at 5% compounded daily? 6% compounded continuously?

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Q: Assume that the annual interest rate on a credit card is 25

Assume that the annual interest rate on a credit card is 25.74% and interest is calculated by the average daily balance method. The unpaid balance at the start of a 28-day billing cycle was $1,837.23...

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Q: Show that the exact annual compound rate of growth of an investment

Show that the exact annual compound rate of growth of an investment that doubles in n years is given by r = 100 (21/n – 1) . Graph this equation and the rule of 72 on a graphing calculator for 5 ≤ n ≤...

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Q: Assume that the annual interest rate on a credit card is 19

Assume that the annual interest rate on a credit card is 19.99% and interest is calculated by the average daily balance method. The unpaid balance at the start of a 30-day billing cycle was $1,583.44...

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Q: using graphical approximation techniques on a graphing calculator How long does

using graphical approximation techniques on a graphing calculator How long does it take for a $4,800 investment at 8% compounded monthly to be worth more than a $5,000 investment at 5% compounded mont...

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Q: Assume that the annual interest rate on a credit card is 19

Assume that the annual interest rate on a credit card is 19.99% and interest is calculated by the average daily balance method. The unpaid balance at the start of a 30-day billing cycle was $475.17....

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