X08 · Optional projects job
Need 24 cards. A packs six for $12; B packs eight for $24. A has a one-off $10 fee and B none. Which full plan costs less?
Use scrap paper or a private explanation. No purchase, household information or public performance.
Adult teaching after an own try
Answer
A:$48+$10=$58. B:$72. A is $14 less.
Why
Compare complete constraints, not only per-item price.