{"id":"life-hs-prom-savings-plan","audience":"high-school","category":"everyday-life","track":"life","technique":"examples","title":"Plan how much to save each week for prom","free":false,"task":"Prom is coming and you want a weekly savings goal. Get exactly 3 numbered lines in plain text, under 60 words: 1. your share of prom costs, with the addition shown; 2. what's left to save after the money you already have, with the subtraction; 3. how much to save per week until the deadline, with the division. Use the updated ticket price. No tips. Write a prompt that gets you exactly that.","materialLabel":"Your prom costs and notes (attached to your prompt automatically)","material":"PROM PLANNING - Westfield High (fictional)\nProm date: Saturday, April 25\n\nMY COSTS\n- Ticket: $60\n- Outfit: $90 (found one on sale)\n- Shoes: $30\n- My share of the group limo: $40\n- Photos: $20\n\nSTUDENT COUNCIL UPDATE: \"Prom tickets will be $70 this year, not $60, because the venue raised its price.\"\n\nMONEY\n- I already have $50 saved for this.\n- I can save from my babysitting money.\n- I want to have it all by March 28 (that's when limo money is due). From now that's 20 weeks.\n\nNOTES\n- Best friend says skip the limo, but I want to go with the group.\n- Mom might help with shoes? Not confirmed, so don't count it.","rules":[{"type":"numberedItems","count":3},{"type":"maxWords","max":60},{"type":"plainText"}],"mistakes":[{"title":"Using the old ticket price","why":"The AI uses $60 from your list and misses the student council update.","fix":"Add: \"The ticket is now $70.\"","checks":["r0"]},{"title":"No math shown","why":"The AI gives totals with no working, so you can't check them.","fix":"Show it: \"3. Per week: $200 / 20 weeks = $10\".","checks":["r1","r2","numberedItems"]},{"title":"Getting tips","why":"The AI suggests skipping the limo or counting Mom's help.","fix":"Add: \"No tips. Don't count Mom's help.\"","checks":["r2","plainText"]},{"title":"Trusting the AI to count words","why":"AI is bad at counting. Ask for \"under 60 words\" and it often lands well over.","fix":"Cap each part: \"each line under 16 words.\"","checks":["maxWords"]}],"promptHints":[{"label":"Uses the new price","patterns":["\\$?70","update","new (ticket )?price"]},{"label":"Subtracts what you have","patterns":["\\$?50","already (have|saved)","subtract"]},{"label":"Asks for a weekly amount","patterns":["per week","weekly","20 weeks"]},{"label":"Sets the number of lines","patterns":["\\b(3|three)\\b.{0,20}(lines?|numbered|items?|steps?)"]},{"label":"Sets a word limit","patterns":["\\d+\\s*words","word (limit|count)"]}],"hint":"Tell the AI which price is current, what you already have, and show it the shape of each math line.","rubricLabels":["Line 1 gives the total as $250 using the $70 ticket ($70 + $90 + $30 + $40 + $20), not $240","Line 2 gives $200 left to save ($250 - $50), counting no help from Mom","Line 3 gives $10 per week ($200 / 20 weeks), and the answer gives no tips (nothing about skipping the limo)"]}