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Mathematics 15 Online
OpenStudy (anonymous):

The spinner shown is to be spun 40 times. Which is the best prediction for the number of times the spinner will stop on A or C? A. 15 B. 20 C. 25 D. 30 http://static.k12.com/calms_media/media/1416500_1417000/1416598/1/5eacb36129e25373f20114e853ce377ff1265e43/FGA_130913_160914.jpg

OpenStudy (anonymous):

@LegendarySadist

OpenStudy (anonymous):

How many A's and C's are there? And how many total?

OpenStudy (anonymous):

2 A's 1 C 3 or all of the letters?

OpenStudy (anonymous):

8 in total

OpenStudy (anonymous):

So what would the fraction be?

OpenStudy (anonymous):

3/8

OpenStudy (anonymous):

yep. So that means that all we have to do now is multiply our fraction by the total number of spins. So 3/8*40

OpenStudy (anonymous):

15?

OpenStudy (anonymous):

Yep, that would be it.

OpenStudy (anonymous):

thanks!! ill tell you what I get

OpenStudy (anonymous):

100% Thanks so much!!!:D

OpenStudy (anonymous):

Haha no problem, hope you understood :)

OpenStudy (anonymous):

I might have about 3 more questions its part 2 Im soo sorry.

OpenStudy (anonymous):

Well see if you can do them yourself first but if you have any questions just ask

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