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

Austria, Hungary, Yugoslavia, Czechoslovakia, and _________________  became independent nations after World War I.
solve the problem by using mathematical sentence and solve then label your answer.A province produced 2,543,475 metric tons of sugarcane in 2003, and 4,905,369
what are the main voice types in singing?
can you guys help me out with number 13
How do you find the constant of variation when y=-(2/3) and x=3
State a true conclusion. 1) If you accept the hypothesis, then you accept the conclusion. 2) You accept the conclusion. Conclusion: ?
the area of the rectangle is 85 cm. express the perimeter of the rectangle is function of the width x.
what is red snapper? could you help me?
please help me write equation for each condition listed. 1- The vertical line that passes through ( –7, 4 ) 2- The horizontal line that passes through
what do you call a baby zebra?