# The hundreds digit of a three digit number is 3 times the units digit.The tens digit of the number is 1 less than the hundreds digit.Find the number if the sum of the digits is 20.

2
by anjmarie

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by anjmarie

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7x = 20 + 1

x = 3 - unit's digit

3x = 3(3) = 9 - hundreds digit

3x - 1 = 3(3) - 1 = 8 - tens digit