Question
40% of one number is equal to 30% of another number. If
the sum of the two numbers is 280, find their difference.Solution
Let the numbers be ‘x’ and ‘y’ respectively According to the question, 0.40x = 0.30y Or, x/y = 3/4 Therefore, (3 + 4) units = 280 Or, 1 unit = 40 Therefore, difference = 4 – 3 = 1 unit = 40
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