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

Does an owl have a backbone?
A blue rope is 3 times the length as a red rope. A green rope is 5 times as log as the blue rope of the total length of all 3 ropes equals 508.25m what is the l
Thelma spent 1/6 of her weekly allowance on dog toys.  1/4 on a dog collar and 1/3 on dog food.  What fraction of her weekly allowance is left
What is the creepiest sounding scale? What scale would u use for writing creepy music in other words
What's 5 divided by x squared explain
a lunch bill including tax, is divided among you and 5 friends. everyone pays less than $8.75. write and solve an inequality that describes the total amount of
Thelma spent 1/6 of her weekly allowance on dog toys.  1/4 on a dog collar and 1/3 on dog food.  What fraction of her weekly allowance is left
Factor the expression. If the expression cannot be factored, say so.
What is the creepiest sounding scale? What scale would u use for writing creepy music in other words
Forget the motor When im on the boat Think of the best time To buy a new coat What am I......?