Determine the number of positive integers x where x 9,999,999 and the sum of the digits

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Determine the number of positive integers x where x ≤ 9,999,999 and the sum of the digits in x equals 31.

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Discrete and Combinatorial Mathematics An Applied Introduction

ISBN: 978-0201726343

5th edition

Authors: Ralph P. Grimaldi

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Question Posted: Jun 21, 2016 08:37 AM

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Determine the number of positive integers x where x 9,999,999 and the sum of the digits

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Let x be written in base 10 as x 1 x 2 x 7 Then the answer to t...View the full answer

Discrete and Combinatorial Mathematics An Applied Introduction

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