neekobecky839 neekobecky839
  • 22-12-2017
  • Mathematics
contestada

The sum of two numbers is 27. one number is 3 more than the other number. write and solve a system of equations to find the two numbers.

Respuesta :

ilovecats9573ozkvsq
ilovecats9573ozkvsq ilovecats9573ozkvsq
  • 22-12-2017
Let x equal the first number
Let y equal the second number
x+y=27
x=3y
Sub the second equation into the first equation
3y+y=27
4y=27
y=27/4
y=6.75
Sub y into the second equation
x=3y
x=3(6.75)
y=20.25
Hope this helps!


Answer Link

Otras preguntas

the difference between memory and storage is that memory is ..................and storage is.............a)tempoary fermanentb)permanent tempoaryc)sloe fastd)al
assume the substance has a half-life of 11 years and the initial amount is 126 grams.How long will it be until only 15 % remains?
Please can some one explaine fore me What is work done
what is answer to 12=4x what is x
The sum of four consecutive multiples of 5 is 230. What is the greatest of these numbers ?
Can you help me.. What Is a Soliloquy?
A rectangle's length is three times its width.  Let w denote the rectangle's width.  What polynomial represents the rectangle's area?
Snow was quickly piling up on the ground. Wind howled through the trees. Karen wrapped a planket around her and sighed as she watched the snow through her bedro
What Is Social Rejection? need help
The difference of seven halves and six quarters is multiplied by negative two fifths. Find this rational number.