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Mathematics 10 Online
OpenStudy (anonymous):

Valerie plays a game using the spinner shown. During the game she will spin a total of 36 times. Which is the best prediction for the number of times she will get either "lose a turn" or "back 3" on the spinner? A. 2 B. 6 C. 12 D. 18 http://static.k12.com/calms_media/media/1416 500_1417000/1416596/1/709abf9954e37e8a3d76e2656348ce89eecf1619/FGA_130913_160912.jpg

OpenStudy (anonymous):

How would I figure this out @satellite73

OpenStudy (anonymous):

Well there are 6 total possibilities and it is asking for the chance that two of them will be picked. So it would be \[\frac{ 2 }{ 6 }\] which simplifies to \[\frac{ 1 }{ 3 }\] So now that we know the chance of it happening, we just mmultiply it by the total amount of times it has the chance of happening. So \[\frac{ 1 }{ 3 }*36\]

OpenStudy (anonymous):

as a fraction or division?

OpenStudy (anonymous):

\[\frac{ 1 }{ 3 }*\frac{ 36 }{ 1 } \to \frac{ 36 }{ 3 }\]

OpenStudy (anonymous):

Im bad at fractions bare with me xD

OpenStudy (anonymous):

\[\frac{ 36 }{ 3 }\] Is the same as 36 divided by three. Whenever you have a fraction multiplication it is good to write them out, helps a lot :)

OpenStudy (anonymous):

12?

OpenStudy (anonymous):

Yep, it would be 12

OpenStudy (anonymous):

Thanks I have 2 more could you help me out?

OpenStudy (anonymous):

Sure, just tag me and I'll help right-away :)

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