Advanced MathMediumLarger of two numbers from a ratio and a product
Advanced Math practice question
Two positive numbers are in the ratio 2 to 3, and their product is 96. What is the larger number?
Answer: 12
Write the numbers as 2k and 3k: 6k² = 96 gives k = 4, so the numbers are 8 and 12.
Common wrong answers
- If you answered 4
- 4 is k.
- If you answered 8
- 8 is the smaller number.
- If you answered 16
- 16 uses k² = 16 as the answer.
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