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Mathematics 17 Online
OpenStudy (anonymous):

a soccer player scores 3 goals in 2 games. how many goals are they expected to score in 9 games?

OpenStudy (anonymous):

i will fan and medal

OpenStudy (anonymous):

This has to do with proportional relationships. Do you know what a proportional relationship is Maxd121?

OpenStudy (anonymous):

i guess

OpenStudy (anonymous):

Well I'll review it for you. When value x changes, y changes accordingly. So, if 1 package of dog food feeds 5 dogs, 2 packages of dog food feeds 10 dogs. Does this make sense?

OpenStudy (anonymous):

ya

OpenStudy (anonymous):

Okay, great! We do the same thing for this problem. Let's state games to scores as a ratio. For every 3 goals they make, they play 2 games. We can make that 3:2. We need to find what ? means in ?:9. So we multiply. 2 x 4.5 = 9. So 3 x 4.5 must equal... 13.5. So how many goals are expected in 9 games Maxd121?

OpenStudy (anonymous):

4.5?

OpenStudy (anonymous):

Close. It's 3 x 4.5. I'll give you a second shot ;)

OpenStudy (anonymous):

13.5

OpenStudy (anonymous):

u said it

OpenStudy (anonymous):

That's correct! Great job!

OpenStudy (anonymous):

Oh, and remember, if I helped you at all, a fan and medal would be appreciated! :)

OpenStudy (anonymous):

there u go

OpenStudy (anonymous):

Gl with your math-ing! :D

OpenStudy (anonymous):

thx

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