3 years ago

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

1 answer:

6 0

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

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<img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B%5Csqrt%7Bx%7D%205%7D" id="TexFormula1" title="\frac{1}{\sqrt{x} 5}" alt="\fr

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$\frac{ \sqrt{5x} }{5x}$