ilovelizah
ilovelizah ilovelizah
  • 02-12-2016
  • Mathematics
contestada

when a number is decreased by 10% of itself, the result is 171. what is the number?

Respuesta :

bartdrinksmalk
bartdrinksmalk bartdrinksmalk
  • 02-12-2016
For some number [tex]x[/tex], we subtract [tex]0.1x[/tex] and get 171.

So we have:
[tex]x-0.1x=171[/tex]
[tex]\rightarrow 0.9x=171[/tex]
[tex]\rightarrow x=190[/tex]
Answer Link

Otras preguntas

Gavin was thinking of a number. Gavin subtracts 10 from it and gets an answer of 2.7. What was the original number?
What impact did the treaty of Paris have on the North America colonies
Can someone help me? Im really bad at English ​
which organization was created to help blacks after the end of slavery?
what is 50+60 i need help
Meat is a rich source of Vitamin C, calcium, and other minerals.
Sam says, "All tigers have stripes." Bob says, "I see a tiger!" What conclusion can Sam draw? What Law did he use to reach that conclusion?
desparte in silabe cuvintele date apoi incercuieste diftongii marcand semivocalele cu semnuls pecific
In 1860 the small towns became a city. true or false
SECOND TIME ASKING HELP!!! 6. Jackie has n nickels and q quarters in her pocket. The total value of the coins is at least $24.75. Write an inequality that repre