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

Please help 78% nitrogen, 21% oxygen Ionosphere temperature falls to -93*C temperature continue to rise up to 1500*C temperature drops from 17 to -52*C protecti
Translating Expressions 2 Drag the item from the item bank to its corresponding match. Use these choices Five divided by x Five times x. The number five plus x
Find the product and simplify your answer. 3k(-k2-8k+5)​
I need help A rectangular shelf has a perimeter of 46 inches. Its area is 76 square inches. What are the dimensions of the shelf?
Calculate the value of this expression: -4 + 5(9) YOU’LL GET 30 POINTS PLZ HELP
Help anyone please !!!! Will mark whoever comment first as brain-list
What was General MacArthur's role in the Philippines prior to WWII? a. He was to train local people to be Navajo Code Talkers. b. He was ordered to recruit and
If a pregnant woman drinks 2-5 alcoholic drinks per day, what effects does this have on the developing baby?
A rectangular prism has a volume of 175 cubed inches. The height of the prism is 7 inches. The base is a square. What is the length of a side of the base?
find the center and radius of the circle x2+y2+4x-6y=12