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Mathematics 21 Online
OpenStudy (anonymous):

60% of a number is 90. What is 50% of that same number? A. 30 B. 45 C. 75 D. 150

OpenStudy (mindblast3r):

first you have to turn 60% into a decimal.

OpenStudy (superflytyguy):

@Mindblast3r is right 0.6

OpenStudy (mindblast3r):

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