jaeden15 jaeden15

26-01-2021
Mathematics

contestada

5. Mark's brother is five years older than Mark.
Their combined ages add up to 23. How old is
Mark?

Respuesta :

MeiLiuSA MeiLiuSA

26-01-2021

Answer:

9

Step-by-step explanation:

Let's say Mark is M and his brother is B.

M+5=B

M+B=23

Now we can solve using subsitution.

M+M+5=23

(Subtract 5 from both sides)

2M=18

M=9

Hope this helped!

Answer Link

Otras preguntas

What linear equation is represented by the table? A) y=2x B) y=4x−3 C) y=4x D) y=2x−3

can anyone figure this answer for me

In paragraph 1 of the excerpt from The Piano Shop on the Left Bank, which idea is introduced? O The power of intuition An unachieved goal Impractical choices O

Order these numbers from least to greatest.

CORRECT ANSWER GETS BRAINLIESTT!!!!!!!!!

who was an American Author and poet. He was a staunch abolitionists and fought for the end of slavery in the United States. A.Henry David Thoreau B.Herman Melvi

how do you think readers responded to william travis's letter

One hundred points to whoever answers first and brainleist.Is carbon ever lost in the cycle? Is it constantly conserved 100% of the time? What about mass and en

SOMEONE ANSWER PLEASE The trapezoid below is made up of a square and a triangle The total area of the trapezoid is 575 square meters. The area of the triangle i

I ACCIDENTALLY PROCRASTINATED!!! HELP!!!! (2) 3 articles that represent 3 main ideas presented throughout the novel. These articles need a bold title as the hea