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Exercise 11

Avg difficulty 2.5

Imagine a certain savings account started out with a balance of $5250.00 on day-one, and today has a current balance of $5780.23

  1. Exactly how much more money does the account have today, compared with day-one?

  2. Rounding to the nearest tenth of a percent: By what percentage amount has the account balance grown?

  3. If instead, the bank balance today was exactly double the starting balance, then by what exact percentage amount would the bank balance have grown?

  4. If the bank balance today had instead grown by 15.5% since day-one, then what would be the exact amount of today's balance?

Lee et al., Math in Society, §2.1 Introduction to Spreadsheets, Exercise 11

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Adapted from Math in Society © 2018–2024 Portland Community College Math Instructors. Licensed under CC BY-SA 4.0. Source: Math in Society. Imported at revision 68ee43c.