The sum of a and B is 63. If the decimal point of a is moved two places to the left and equals 1 / 5 of B, how much is a
∵ a + B = 63
A = 63-b
∵ a * 1 / 100 = b * 1 / 5
(63-b) * 1 / 100 = b * 1 / 5
х B = 3, a = 60
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