I chose a number and divide it by 9. Then I subtracted 100 from the result and got 10. What was the number I chose? Choose the correct choice
A) 600 B) 700 C) 990 D) 900 E) None
Solution:   Let x be the number I chose, then   x/9âˆ’100=10   x/9=110   x=990   Answer 990
<result>C</result>
I chose a number and divide it by 9. Then I subtracted 100 from the result and got 10. What was the number I chose?