the city","content":"Bernie would get the most dollars in **London**. This clear conclusion earns the final accuracy mark.","highlights":[{"text":"In which of these cities would Bernie get the most dollars?","location":"specification"}]}]}],"generatedAt":"2026-07-21T04:36:15.434Z","modelVersion":"gpt-5.6-terra","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"55c7f7e5-8b88-44c4-bee8-73b362e66581","revisionId":"7e278e5b-4e36-46d6-af01-f6c54a2eb029","questionNumber":"10","questionType":"LA","specification":"","difficulty":2,"difficultyBand":null,"totalMarks":3,"sourceTitle":"Exchange Rates","calculatorUse":null,"parts":[{"id":"eea98caa-0379-4a11-8c40-7861daddb32c","label":"0","content":"George is going on a trip to Vietnam.\n\nHe wants to change £750 into Vietnamese dong.\n\nGeorge wants to get as many 200 000 dong notes as possible.\n\nThe exchange rate is £1 = 29 000 dong.\n\nWork out the greatest number of 200 000 dong notes that George can get for £750","markscheme":"- Calculates total dong: $750 \\times 29000 = 21,750,000$ M1\n- Divides total dong by note value: $21,750,000 \\div 200,000 = 108.75$ M1\n- Rounds down to the nearest whole note: 108 A1","marks":3,"order":0,"markingRubric":{"totalMarks":3,"points":[{"id":"p1","marks":1,"description":"Calculates total dong as 21,750,000.","code":"M"},{"id":"p2","marks":1,"description":"Divides total dong by 200,000.","code":"M"},{"id":"p3","marks":1,"description":"Final answer 108.","code":"A"}],"finalAnswers":["108"],"generatedAt":"2026-05-06T15:43:58.418Z","modelVersion":"gemini-3-flash-preview"},"explanation":{"methods":[{"id":"convert_and_divide","label":"Convert then divide","steps":[{"type":"hyper_latex","block":{"nodes":[{"latex":"\\htmlData{anchor=amount}{750}\\times\\htmlData{anchor=rate}{29\\,000}"},{"latex":"\\htmlData{anchor=total}{21\\,750\\,000\\text{ dong}}"}],"highlights":[{"color":"sky","style":"text-color-with-background","anchor":"total"}]},"order":1,"title":"Find total dong","description":"Multiply the amount in pounds by the number of dong for each pound. Obtaining 21 750 000 dong earns the first M1 mark."},{"type":"hyper_latex","block":{"nodes":[{"latex":"\\dfrac{\\htmlData{anchor=total}{21\\,750\\,000}}{\\htmlData{anchor=note}{200\\,000}}"},{"latex":"\\htmlData{anchor=result}{108.75\\text{ notes}}"}],"connections":[{"to":"result","from":"total","color":"orange","label":"divide","style":"solid"}]},"order":3,"title":"Divide by note value","description":"Divide 21 750 000 by 200 000 to find how many notes George can get. Obtaining 108.75 earns the second M1 mark."},{"type":"text","order":4,"title":"Round down","content":"George can only receive complete notes. The $0.75$ of a note cannot be given as a $200\\,000$ dong note, so round **down**.\n\n$$\\boxed{108\\text{ notes}}$$\n\nRounding down to the greatest whole number earns the final accuracy mark (A1).","highlights":[{"text":"as many 200 000 dong notes as possible","location":"specification"}]}]}],"generatedAt":"2026-07-21T04:46:07.065Z","modelVersion":"gpt-5.6-terra","explanationVersion":"v3"},"options":[]}],"options":[],"explanation":null,"firstAttemptFullMarks":null},{"id":"8b6dbe86-0800-4782-8c5f-54443b4d19ce","revisionId":"9d65d9c6-6811-4947-a03a-44af73b5d087","questionNumber":"11","questionType":"LA","specification":"","difficulty":3,"difficultyBand":null,"totalMarks":4,"sourceTitle":"Exchange Rates","calculatorUse":null,"parts":[{"id":"dd0ca73a-9804-4f4d-ae04-0465e1c9ddb7","label":"0","content":"In Australia a car costs $26 500\n\nIn Ireland the same car costs €17 500\n\nThe exchange rates are £1 = $1.96 and £1 = €1.14\n\nWork out the difference in price between the car in Australia and Ireland.\n\nGive your answer in pounds (£).","markscheme":"- Converts Australian price to pounds: $26500 \\div 1.96 = £13520.41$ M1\n- Converts Irish price to pounds: $17500 \\div 1.14 = £15350.88$ M1\n- Subtracts the two values: $15350.88 - 13520.41$ M1

Exchange Rates Questions

Exchange Rates Questions

Exchange Rates Questions

Exchange Rates Questions