janellita1996
janellita1996 janellita1996
  • 01-07-2016
  • Mathematics
contestada

Two numbers total 86 and have a difference of 12. Find the two numbers.

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 01-07-2016
let the two numbers be x and y.

x + y = 86
+
x - y = 12
_________
2x + 0 = 98
__________


2x = 98

x = 98/2
 
x = 49


From    x + y = 86

49 + y = 86

y = 86 - 49

y = 37

The numbers are 49 and 37.
Answer Link

Otras preguntas

“The genetic code is universal.” Explain this statement.
Which of the following statements is true concerning LUCA? (1) LUCA was a cell. (2) All life on Earth evolved from LUCA. (3) LUCA probably existed probably arou
Write a system of equations with a solution (4,–3)
Does every point lie in a quadrant?
What is the mean of 87, 93, 86, 90, and 84?
which seismic wave moves through earth at the fastest speed?
If Walt can paint 25 feet of fence in an hour, and Joe can paint 35 feet in an hour, how many minutes will it take them to paint a 150-foot fence, if they work
Jim’s allowance is $1.20 per week. Stan’s is 25¢ per day. How long will they have to save, if they save both their allowances together, before they can get a m
Explain how a species can evolve through natural selection.
What is biogeography and what does it provide?