Question

Tommy posts 11 pictures on instagram every day. Elizabeth posts 15 pictures on instagram every day.

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

Part B: After 7 days, how many pictures have Tommy and Elizabeth posted altogether? How do you know?

Answer 1

X would represent time(days)

11 is Tommy total of picture while 15 is Elizabeth total of pictures

Part B

11x+15x

Since we want to find how much in 7 days we plug in 7 for x

11(7)+15(7)

77+105=182

Altogether they would have posted 182 pictures after 7 days

Answer 2

X would represent time(days)
11 is Tommy total of picture while 15 is Elizabeth total of pictures


Part B

11x+15x
Since we want to find how much in 7 days we plug in 7 for x

11(7)+15(7)
77+105=182

Altogether they would have posted 182 pictures after 7 days