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Mathematics 20 Online
OpenStudy (anonymous):

[1.03] Jon and Lexi are playing a marble game. According to their rules, 4 points are awarded for each red marble collected and 3 points are awarded for each blue marble collected. Which expression represents Jon's total score if he has r red marbles and b blue marbles?

OpenStudy (anonymous):

4r − 3b 2r − 3b 4r + 3b 7rb

OpenStudy (matt101):

Which answer do you think is right?

OpenStudy (anonymous):

between a and c

OpenStudy (matt101):

So it comes down to if you're adding the points together to get a total or subtracting blue marble points from red marble points. What does the question say?

OpenStudy (anonymous):

four points are reward for red and 3 for blue

OpenStudy (matt101):

And we're looking for a total score. So are we adding or subtracting points?

OpenStudy (anonymous):

adding ?

OpenStudy (anonymous):

@yurq8273 any ideas?

OpenStudy (matt101):

That's right! So if you're adding, which answer makes the most sense?

OpenStudy (anonymous):

c !!! :)

OpenStudy (matt101):

Yup :)

OpenStudy (anonymous):

thankou!

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