Created by StemPy LabThe incomes of two friends are in the ratio , and their expenses are in the ratio . Each saves ₹. What is the income of the first friend?
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← When the length of a rectangle is increased by 5 m and its breadth is decreased by 3 m, its area falls by 15 m². When the length is decreased by 5 m and the breadth is increased by 4 m, the area does not change. What is the area of the rectangle?The pair ax + by = 18 and bx + ay = 17 has the solution x = 2 and y = 3. What is a + b? →
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