natbuster
natbuster natbuster
  • 26-09-2017
  • Mathematics
contestada

help plz i need this done asap

help plz i need this done asap class=

Respuesta :

GraceCameron
GraceCameron GraceCameron
  • 26-09-2017
To find the percent change of something you need to set up a proportion.

amount change (original - new) over  new number 

x over 100 

then cross multiply. Example

25      x
-----   ------
 50    100

25 x 100 = 2500 
2500/50 = 50 

So the answer is 50%
Answer Link

Otras preguntas

How do air masses affect climate?
The garage should be kept well ventilated in order to guard against:
a hot air balloon is filled with air through an opening the air is heated using a burner the hot air causes a pressure on the inside of the balloon use ideas ab
What term is defined as the tendency of some members of a population to be better able to survive and reproduce and pass on their characteristics?
The scale of a model train is 1 inch to 13.5 feet. One of the cars of the model train is 5 inches long. What is the length, in feet, of the actual train car? A)
Emulate what you respect in your friends
What is an expression for 2 more than the quotient of 64 and 8?
Arush loves it when Dad reads him pop-up books. In his favorite book, there is a page with a fox waving. When the page is open to an angle of ​​ 105 degree, th
A regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during the rotation?
When a firefighter slides down a pole his mechanical energy is transformed into thermal energy because of