Show 231 using the same number of tens and ones

asked Sep 11, 2019 9.4k views

3 votes

6.6k points

Please log in or register to add a comment.

1 vote

Answer:

10n + 1n = 11n = 231, and n = 21

Explanation:

Let that "same number" be n. Then 10n + 1n = 11n = 231, and n = 21.

Check: Do 21 tens and 21 ones add up to 231?

210 + 21 = 231 ? YES

Tomsk answered Sep 15, 2019

by Tomsk

6.4k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.5m questions

8.7m answers