Two numbers are in the ratio and their sum is . What is the first number in the ratio?
Answer and explanation
Correct answer: A. 35
- 40 rounds or miscalculates .
- 7 is the value of a single ratio part (), not the first number.
- 42 is the second number in the ratio (), not the first.
- 7 is the value of a single ratio part (), not the first number.
- 42 is the second number in the ratio (), not the first.
- Step 1: Determine the total number of parts in the ratio: parts.
- Step 2: Divide the total sum by the number of parts to find the unit value: .
- Step 3: Multiply the unit value by the first number's share ( parts): .
Answer
35.
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