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OpenStudy (anonymous):
Kyra observed that 85% of the students at a library liked reading mystery stories. If 30 students at the library did not like reading mystery stories, the number of students at the library who liked mystery stories was _____. (only put numeric values, no other symbols)
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OpenStudy (anonymous):
medal is here
OpenStudy (anonymous):
First find the total amount of students
OpenStudy (anonymous):
x(0.15)=30
OpenStudy (anonymous):
solve for x
OpenStudy (anonymous):
x=200
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OpenStudy (anonymous):
so the total number of students is 200
OpenStudy (anonymous):
now find 85% of 200
OpenStudy (anonymous):
200 x 0.85 = 170
OpenStudy (anonymous):
so the answer is 170 students like mystery
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