opal11 opal11
  • 07-05-2019
  • Mathematics
contestada

Three consecutive numbers have a sum of 18. What are the numbers?

Respuesta :

Аноним Аноним
  • 07-05-2019

Answer: 4,6,8

Step-by-step explanation:

First even number is x

second even number is x+2

third even number is x+4

so,equation is

x+(x+2)+(x+4)=18

3x+6=18

3x=18-6

3x=12

x=12/3

x=4

first number=4

second number=(x+2)=4+2=6

third even number=(x+4)=4+4=8

checking the answer= 4+6+8=18

answer is proved

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itsloudd
itsloudd itsloudd
  • 07-05-2019

5+6+7 because those are in order and it =18!

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