Seudónimo Seudónimo
  • 10-08-2014
  • Mathematics
contestada

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

Respuesta :

Аноним Аноним
  • 10-08-2014
[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]
Answer Link

Otras preguntas

The shaded figure in the diagram above consists of five squares. It touches the circle at points M, N, P, and Q. The radius of the circle is 15 centimeters. Wh
Convert 4 1/8 and 3 1/4 to fraction notation
How did Procopius link the cathedral's opulence (wealth) to true Christian values?
How did Procopius link the cathedral's opulence (wealth) to true Christian values?
A meter is a unit of length approximately equal to 39.37 inches. If someone is 1.66 meters tall, what is his or her approximate height in inches?Using the given
45x678 using the distributive property
why is there so much nitrogen in the atmosphere
how do I solve -17x+5=17+5
What is the volume of a box that has a length of 10 inches,a width of 3 inches,and a height of 7 inches!!
1) "30 minutes is equivalent to 0.30 hours". This sentence is wrong. Why?2) the mass of the sun is 1,98x10^30 kg. what is the order of magnitude of this mass?a)