focus288 focus288
  • 17-12-2014
  • Mathematics
contestada

When 40% of a number is added to the number, the result is 140. What is the number ?

Respuesta :

luana
luana luana
  • 17-12-2014
[tex]x-searched\ number\\\\40\%x+x=140\\\\0.4x+x=140\\\\1.4x=140\ \ \ \ \ |:1.4\\\\x=100\\\\The\ number\ is\ 100[/tex]
Answer Link

Otras preguntas

A python curls up to touch the tip of its own tail with its nose, forming the shape of a circle. The python is 2.6 pie meters long. What is the radius r of the
Canada, Russia and _____ are areas of large oil reserves.
Find an equation equivalent to r=5/1+cos0 in rectangular coordinates A. x^2=25-10y B. X^2=10y-25 C.y^2=10x-25 C. Y^2= 25-10x
The length of a room is 22feet by 12 feet. What is the ratio of the length of the room to its area ?
Please help fast!!! A circle has a circumference of 10pi yards find the area in terms of pi
Humans are one of _______________ species on the Earth today. A. one B. 8 million C.7 million
Supervisors who were in charge of enslaved field workers and often treated them cruelly were called
Write the equation of a line with slope 3 and passing through the point (1,-1)
Which describes the role of oxygen in photosynthesis and cellular respiration? Oxygen is a reactant in photosynthesis and a product of cellular respiration. Ox
what claim is the author making in the passage?