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qid 593 · business

Question: How much interest will George pay on a 6-month loan of $300 at 8% interest?

  1. $26
  2. $16
  3. $12
  4. $20
  5. $10
  6. $30
  7. $22
  8. $14
  9. $24
  10. $18

Our answer: C. $12 Source quote machine-checked (exact quote)

A machine check confirms the quoted words appear at the source. A person has not yet reviewed these. EARN MARKS as a Human Reviewer

How it was answered

Stored formula / worked method, replayed by code

Ordinary simple interest computation problem

card: formula · card sha256 c1c48ecf90dd64aa…

Current source

Contemporary Mathematics (OpenStax), via LibreTexts, Section 6.3 Simple Interest

https://math.libretexts.org/Bookshelves/Applied_Mathematics/Contemporary_Mathematics_(OpenStax)/06:_Money_Management/6.03:__Simple_Interest

“Calculating simple interest is similar to the percent calculations we made in Understanding Percent and Discounts, Markups, and Sales Tax, but must be multiplied by the term of the loan (in years, if dealing with an annual percentage rate).”

Source quote machine-checked (exact quote)

retrieved 2026-09-18T01:08:24.516Z

page text sha256 8e2b5b292ac783e4… · content sha256 a7fa9d35e4d6f4fd…

addendum formula_qid593.formula_ADDENDUM_source_rs20260918T010824Z · sha256 3551f3e7160ed051… · replaces the version below, addendum sha256 b2a690bf1a98b7cb…

Earlier version (superseded)

https://en.wikipedia.org/wiki/Interest#Simple_interest

Source weak (http_get_200_text_and_question_terms)

retrieved 2026-09-17T00:32:07.745Z

page text sha256 6e22a88325f7ba69… · content sha256 —

addendum formula_qid593.formula_ADDENDUM_source_relabel_unverified20260917T012453Z · sha256 b2a690bf1a98b7cb… · replaces the version below, addendum sha256 b0dfb538a6813349…

Earlier version (superseded)

https://en.wikipedia.org/wiki/Interest#Simple_interest

Source weak (http_get_200_text_and_question_terms)

retrieved 2026-09-17T00:32:07.745Z

page text sha256 6e22a88325f7ba69… · content sha256 —

addendum formula_qid593.formula_ADDENDUM_source_bf20260917T003207Z · sha256 b0dfb538a6813349… · replaces the version below, addendum sha256 325b49786ca25869…

Earlier version (superseded)

No public source has been found for this card yet (3 places checked internally).

addendum formula_qid593.formula_ADDENDUM_source · sha256 325b49786ca25869…

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