{"id":"life-hs-babysitting-laptop-goal","audience":"high-school","category":"everyday-life","track":"life","technique":"examples","title":"Work out how many babysitting hours a goal takes","free":false,"task":"You want to buy a $600 laptop with babysitting money. Get exactly 3 numbered lines in plain text, under 60 words: 1. how much more you need, with the subtraction; 2. how many hours that is at your new rate, with the division; 3. how many weeks at 5 hours a week, with the division. No tips. Write a prompt that gets you exactly that.","materialLabel":"Your notes (attached to your prompt automatically)","material":"LAPTOP GOAL (fictional)\n- Laptop I want: $600 (Brightline 14-inch, school recommended)\n- Already saved: $240\n- I babysit for the Nguyens and the Coles, about 5 hours a week total.\n- Rate: $12 an hour\n\nTEXT FROM MRS. NGUYEN (Nov 3): \"We talked with the Coles and we're both raising your rate to $15/hour starting this week! You've been amazing.\"\n\nOTHER\n- My brother says I should get a cheaper laptop.\n- Grandma might give me $50 for my birthday, but that's not for sure, so don't count it.\n- Black Friday might lower the price, not counting that either.","rules":[{"type":"numberedItems","count":3},{"type":"maxWords","max":60},{"type":"plainText"}],"mistakes":[{"title":"Using the old rate","why":"The AI uses $12 an hour and misses Mrs. Nguyen's text.","fix":"Add: \"My rate is now $15 an hour.\"","checks":["r1","r2"]},{"title":"No math shown","why":"The AI gives totals with no working, so you can't check them.","fix":"Show it: \"2. Hours: $360 / $15 = 24\".","checks":["r1","numberedItems"]},{"title":"Counting maybe-money","why":"The AI subtracts Grandma's possible $50.","fix":"Add: \"Don't count the birthday money.\"","checks":["r0"]},{"title":"Getting tips","why":"The AI suggests a cheaper laptop or waiting for a sale.","fix":"Add: \"No tips.\"","checks":["r2","plainText"]},{"title":"Trusting the AI to count words","why":"AI is bad at counting. Ask for \"under 60 words\" and it often lands well over.","fix":"Cap each part: \"each line under 14 words.\"","checks":["maxWords"]}],"promptHints":[{"label":"Uses the new rate","patterns":["\\$?15","new rate","raise"]},{"label":"Subtracts what you have","patterns":["\\$?240","saved","subtract"]},{"label":"Asks for hours and weeks","patterns":["hours","weeks","5 hours"]},{"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 rate is current, what not to count, and show it the shape of each math line.","rubricLabels":["Line 1 gives $360 more needed ($600 - $240), counting no birthday money","Line 2 gives 24 hours at the new $15 rate ($360 / $15), not 30 hours at $12","Line 3 gives about 5 weeks (24 / 5 = 4.8), and the answer gives no tips about cheaper laptops or sales"]}