Alex's friend pablo comes up with an exact equation to find out how many bags he needs. use his equation

to find out how many bags will actually be needed if b = x(2x+7)+3(2x+7)+(x+4) (2x +7), where the

quantity (2x + 7) equals 4. show how you arrive at your answer.

8.5 bags are needed.

Step-by-step explanation:

Given : Number of bags needed

To Find :  how many bags he needs?

Solution :

Now we are given that Number of bags needed

Substitute the value of x

Hence 8.5 bags are needed.

answer: i don't understand. what are the options

step-by-step explanation:

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55