OpenStax, Contemporary Mathematics §6.10 Credit Cards · Example 4 · Arithmetic · Money & interest
Credit Cards · Example 4
Find the balance on the credit card with the given interest charge and balance before interest was charged. The cards were not paid off previously.
(a) Balance before interest is $708.50, interest charge is $8.15
(b) Balance before interest is $1,395.10, interest charge is $21.32
OpenStax, Contemporary Mathematics · §6.10 Credit Cards · Example 4
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.
Your first check today doesn't need an account.
Your photos and PDFs are read once and not stored — only the transcription is kept.