IDNLearn.com provides a user-friendly platform for finding and sharing knowledge. Ask your questions and receive reliable, detailed answers from our dedicated community of experts.

When a number is decreased by 10% of itself the result is 171. What is the number?

Sagot :

[tex]100\%-10\%=90\%\\\\ \begin{array}{ccc}90\%&-&171\\\\100\%&-&x\end{array}\\\\cross\ multiply\\\\90x=171\times100\\\\90x=17100\ \ \ |divide\ both\ sides\ by\ 90\\\\\boxed{x=190}\leftarrow solution[/tex]