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

What parts of the cell are used to connect an electrochemical cell to a circuit?
A liter is the same as a cubic meter. a. True b. False
Samori Ture led a resistance movement against the French in
Which fraction is the same as 3.08? A 56/25 B 77/25 C 19/5 D 32/5
y does a wolf need 2 eat many rabbits 2 survive?
Name each polygon, tell whether its a regular polygon or nat a regular polygon
how do I express the area of a square as a monomial
atomic mass is determined by the number of protons plus the number of
Mr fairfax ordered 3 large pizzas for a class party. Group A ate 6/6 of the first pizza, and Group B ate 8/6 of the remaining pizza. During the party, the class
The residue of coal decomposition that is used in the manufacture of steel is called coal gascokecoal tar