fishbeckangel fishbeckangel
  • 03-01-2020
  • Mathematics
contestada

Two-thirds of a number added to itself is 20. What is the number?

Respuesta :

kenlingdad kenlingdad
  • 03-01-2020

Answer:

12

Step-by-step explanation:

2/3 x + x = 20

2/3 x + 3/3x = 20

5/3 x = 20   ... times 3/5 both sides

x = 12

check: 2/3 x 12 + 12 = 8 + 12 = 20

Answer Link

Otras preguntas

using the counting principlessome lottery tickets consists of 6 numbers each ranging from 1 to 40. if repeated numbers are permitted, how many different ticket
A spring with a spring constant of 1.6x10^2 N/m is attached to a 1.4kg mass and then set in motion What is the period of the mass spring system ?
Which two behaviors should be followed when giving a speech? Speak clearly. Maintain the same volume. Control the pacing. Avoid making facial expressions.
What influence did the british have on the statue of liberty?
If a board with an area of 3m2 has a 12 N force exerted on it, what is the pressure on the board?
Why did most european imperial powers show little resistance to letting their african colonies become independent??? A: the united nations demanded that they gr
If r = 7 units and x = 9 units, then what is the volume of the cylinder shown above?
What is happening to the DNA molecule in the figure?
Of the 20 amino acids, how many amino acids are considered essential? why are they called essential?
when did Seattle Washington started growing