The Sum of the Squares of the Digits of a Positive

question 8

Multiple Choice

The sum of the squares of the digits of a positive two-digit number is 85, and the tens digit is 1 less than the units digit. Find the number.

• A) 67
• B) 56
• C) 65
• D) 76

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Definitions:

Present Values

The current worth of a future sum of money or stream of cash flows, given a specified rate of return.

Time Lines

Schedules or timelines outlining the sequence and duration of tasks or events.

Cash Flows

The sum of funds flowing in and out of a company, particularly influencing its ability to cover short-term obligations.

Annuities

Financial products that pay out a fixed stream of payments to an individual, typically used as a retirement strategy.