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Mathematics 7 Online
OpenStudy (anonymous):

question is below

OpenStudy (anonymous):

Peter paid p dollars for v visits to the swimming pool last summer. If each visit cost $4, which equation represents the total amount he paid for swimming pool visits?

OpenStudy (anonymous):

@mathmate

OpenStudy (mathmate):

What would be the answer if Peter made 5 visits?

OpenStudy (anonymous):

$20 @mathmate

OpenStudy (mathmate):

Good! How did you find $20?

OpenStudy (anonymous):

@mathstudent55 peter went 5 times and each time is $4 or a easier way 4 x 5= 20

OpenStudy (anonymous):

@mathmate *

OpenStudy (mathmate):

Absolutely true! If, instead of going 5 times, he went v times, how much would it cost him?

OpenStudy (anonymous):

well you dont know how many visits he did so you dont know @mathmate

OpenStudy (anonymous):

@mathmate do you need the answer choices?

OpenStudy (mathmate):

The answer is to replace 5 visits what you don't know by the symbol v. The day we know what v is, we know how much he paid. Can you try to get the answer? It will not be a simple number.

OpenStudy (anonymous):

p = v + 4 v = 4p v = p + 4 p = 4v

OpenStudy (mathmate):

Remember, instead of $4*5, it will be $4 times the number of visits, represented by the symbol v. You should also be able to find it on the list of choices.

OpenStudy (anonymous):

@mathmate ^ choices above

OpenStudy (mathmate):

Using " instead of $4*5, it will be $4 times the number of visits, represented by the symbol v." do you find a suitable choice?

OpenStudy (anonymous):

@mathate I think its b

OpenStudy (anonymous):

@mathmate

OpenStudy (mathmate):

b says 4p, but you already know that p=16$, so 4p becomes 16$ whatever the number of visits "v". So it does not sound reasonable, does it?

OpenStudy (anonymous):

my other choice was d. @mathmate

OpenStudy (mathmate):

Did you replace 5 visits by "v" visits?

OpenStudy (anonymous):

@mathmate yes and It sound and looks right

OpenStudy (mathmate):

So what is your choice?

OpenStudy (anonymous):

@mathmate d.

OpenStudy (mathmate):

Yep, you got the answer!

OpenStudy (anonymous):

@mathmate yay ty so much you awesome

OpenStudy (mathmate):

you're welcome!

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