{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://askcalculators.com/calculator/algebra-word-problems-age-calculator/schema.json",
  "title": "Algebra Word Problems: Age Calculator inputs",
  "description": "Solve two present ages from their sum and age difference, then project them to another year.",
  "type": "object",
  "properties": {
    "sumAges": {
      "title": "Sum of present ages",
      "type": "number",
      "default": 50,
      "minimum": 0,
      "x-step": 0.01
    },
    "ageDifference": {
      "title": "Older minus younger",
      "type": "number",
      "default": 10,
      "minimum": 0,
      "x-step": 0.01
    },
    "yearsFromNow": {
      "title": "Years from now (negative for years ago)",
      "type": "number",
      "default": 5,
      "x-step": 0.01
    }
  },
  "required": [
    "sumAges",
    "ageDifference",
    "yearsFromNow"
  ],
  "additionalProperties": false,
  "x-askcalculators": {
    "version": "1.0.0",
    "calculatorUrl": "https://askcalculators.com/calculator/algebra-word-problems-age-calculator/",
    "queryExample": "https://askcalculators.com/calculator/algebra-word-problems-age-calculator/?sumAges=50&ageDifference=10&yearsFromNow=5",
    "migrationStatus": "new",
    "reviewStatus": "pending",
    "pageStatus": "live",
    "workStatus": "pending",
    "formula": {
      "expression": "older = (sum + difference) ÷ 2; younger = (sum − difference) ÷ 2"
    },
    "quality": {
      "availability": "live",
      "technicalReviewRecord": "/reviews/algebra-word-problems-age-calculator.json",
      "qualifiedReview": "pending",
      "qualifiedReviewer": null,
      "qualifiedReviewDate": null,
      "formulaVersion": "1.0.0",
      "referenceCoverage": "references-pending",
      "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
      "historicalMetadataDate": "2026-09-01",
      "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
    },
    "outputs": {
      "olderAge": {
        "title": "Older person now",
        "type": "number",
        "x-format": "number",
        "x-digits": 4,
        "x-primary": true
      },
      "youngerAge": {
        "title": "Younger person now",
        "type": "number",
        "x-format": "number",
        "x-digits": 4
      },
      "olderProjected": {
        "title": "Older person at projected time",
        "type": "number",
        "x-format": "number",
        "x-digits": 4
      },
      "youngerProjected": {
        "title": "Younger person at projected time",
        "type": "number",
        "x-format": "number",
        "x-digits": 4
      }
    }
  }
}