two nubers are given in the ratio 5:6 if 7 is subtracted from each of the numbers the ratio becomes 4:5 find the numbers
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Let the common number be x
Ratio, before subtracting 7 to each number,
[m : n = m/n]
● 4(6x - 7) = 5(5x - 7) [Cross multiplication]
● 24x - 28 = 25x - 35
● 24x - 25x = (-35) + 28
● -x = -7
● x = 7 (Minuses cancel each other)
Hence, the numbers are,
● First number,
[5x = 5×7 = 35]
● Second number,
[6x = 6×7 = 42]
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