Trell11
contestada

Ashley posts 17 status updates on her Facebook wall each day . Roberto posts 21 status updates on his Facebook wall each day .

Part A : Define each variable and write an algebraic expression to describe the combined number of posts for Ashley and Roberto after any given number of days

Part B : Write an algebraic expression to describe the difference between number of posts for Ashley and Roberto after any given number of days .

Respuesta :

A= 17x
R= 21x
combined: 17x+21x

21x-17x

please vote my answer brainliest. thanks!
frika

Let x be the number of days.  

If Ashley posts 17 status updates each day, then after x days Ashley posts 17x status updates.

If Roberto posts 21 status updates each day, then after x days Roberto posts 21x status updates.

Part A. The combined number of posts for Ashley and Roberto after x days is:

17x+21x.

Part B. The difference between number of posts for Ashley and Roberto after x days is:

21x-17x.