Answered

Welcome to Westonci.ca, your one-stop destination for finding answers to all your questions. Join our expert community now! Connect with a community of experts ready to help you find solutions to your questions quickly and accurately. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

Find a 2-digit number smaller than 50, the sum of whose digits does not change after being multiplied by a number greater than 1

Sagot :

To solve this question, it is needed to know that the sum of the digits of numbers which are multiples of 9 greater than 1, add to 9, that is:

Multiples of 9:

9*1 = 9

9*2 = 18 -> 1 + 8 = 9

9*3 = 27 -> 2 + 7 = 9

9*4 = 36 -> 3 + 6 = 9

9*5 = 45 -> 4 + 5 = 9

Find a number:

Thus, there are 4 possible options for the desired 2-digit number less than 50:

18, 27, 36, 45.

For more, you can check https://brainly.com/question/24294485

Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. We hope our answers were useful. Return anytime for more information and answers to any other questions you have. Find reliable answers at Westonci.ca. Visit us again for the latest updates and expert advice.