The area of a rectangle gets reduced by 9 sq units if its length is reduced by 5 units and breadth increased by 3 units. If length is increased by 3 and breadth by 2, area increases by 67 sq units. Find the length.
Answer and explanation
Correct answer: A.
- Step 1: .
- Step 2: .
- Step 3: Multiply first by 3 and second by 5: and .
- Step 4: Add: . Breadth .
Answer
.
Why not the others: yields area 135; yields fractional breadth; and does not satisfy the first reduction equation.
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