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Mathematics 21 Online
OpenStudy (anonymous):

A spinner is divided into 10 equal sections numbered 1 through 10. If the arrow is spun once, what is the probability it will land on a number less than 3? A. 1/5 B. 3/10 C. 1/2 D. 2/5

OpenStudy (mathstudent55):

How many sections are numbered less than 3? How many sections are there in total? Divide the first number by the second number.

OpenStudy (anonymous):

is it B.

OpenStudy (mathstudent55):

Is 3 less than 3?

OpenStudy (anonymous):

no

OpenStudy (mathstudent55):

Then the section with number 3 can't be included. How many sections are there with numbers less than 3?

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