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

How are meiosis and mitosis different?
What is the length of AC ? A 12 M C
Is Gatsby proud of his origins
I NEED HELP WITH THIS PLEASESelect the answer that combines the following sentences using a subordinate conjunction. The rain stopped. The worms came out to str
Please help, this is due by 2:18pm est​
In a paragraph please explain what the song ALIENS by coldplay mean
Twice during the assembly, a student is chosen at random to assist with the presentation. after the first student has finished assisting, the student returns to
Discuss and evaluate in an essay how you used Stanislavski' s Acting Techniques to tray a truthful and believable character in your Monologue that you presente
In 35 words or fewer, what do you think Walker is saying about cultural identity?
If sin Q = 4/5, cos P + cos Q