Ghzouli71241 Ghzouli71241
  • 02-01-2019
  • Mathematics
contestada

In a cross country marathon jack and ted ren a total of 81 kn. Ted ran 5kn farther than jack how far did each of them run?

Respuesta :

osakweclaire osakweclaire
  • 02-01-2019

Answer:

Jack ran 38 km and Ted ran 43 km.

Step-by-step explanation:

Let Jack’s displacement be [tex]x[/tex]

[tex]x + (x+5) = 81[/tex]

[tex]2x + 5 = 81\\2x = 76[/tex]

[tex]x = 38 km[/tex]

[tex]x+5 = 38 + 5\\x+5 = 43km\\[/tex]

Answer Link

Otras preguntas

What is the value of m2 - 2mn + n2 for m = -2 and n = 4?
A turtle crawls at a constant speed, moving 4.77 m in 19.5 s. What was the turtle's velocity?
how many inches are in 500.78 miles
If sin Θ = negative square root 3 over 2 and π < Θ < 3 pi over 2, what are the values of cos Θ and tan Θ?
what is the y-intercept of y=4x?
Why did Voltaire spend a lot of time in Protestant countries, especially Switzerland? A:The more liberal political atmosphere there was less hostile towards his
Which early river valley civilization used oracle bones?
During what historical period did the united states begin to shift from assimilation to multiculturalism?
Plants and plant parts have been used as medicines since prehistoric times. morphine (roxanol) is derived from which plant?
Statutes are legislation passed by legislative bodies on the _______ levels. A. local B. federal and state C. federal, state, and