mariahelie345 mariahelie345
  • 03-04-2015
  • Mathematics
contestada

When 40 is added to the number of miles Karen ran last week, the result is the same as adding 10 to 4 times the number of miles she ran last week. How many miles did Karen run last week? 

Respuesta :

0000000
0000000 0000000
  • 03-04-2015
x+40=4x+10
4x-x=40-10
3x=30
x=10 miles

Answer: 10 miles
Answer Link

Otras preguntas

answer this please, i need it fast please
The volume of a cylinder is calculated by multiplying the area of the base and the height. The volumes of a cylinder and a cone with the same radius and height
. The volume of soup varies directly with the volume of water used to prepare it. John uses 2.5 L of water to make 3.0 L of soup.
what type of correlation does this scatter plot have?
The highest energy waves in the electromagnetic spectrum are O A. visible light rays B. gamma rays O C. radio waves O D. microwaves
what is a metathesis reaction​
La abuela de Jorge, cuando llegan las fechas navideñas, reparte 120 € entre los tres nietos de la siguiente forma: Jorge, como es el mayor, recibe 10 € más que
Which option shows the expression correctly combined? 8 - 3(4 -9x) * 20-45x 23x 27x-4
How did Earth’s first atmosphere form?
please helpppppppppp​