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THIS IS THE LAST QUESTION HELPPPPPPPPPPPPPPPPPPPPPPPPP

THIS IS THE LAST QUESTION HELPPPPPPPPPPPPPPPPPPPPPPPPP-example-1
User TheYann
by
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1 Answer

2 votes

Answer:

16/25

Explanation:

You want to know the fraction that are not 7th graders, if 0.36 of the students are 7th graders.

Complement

The fraction that represents all of the students is 1.00. The total of 7th-grade students and not-7th-grade students will be 1.00, so we have ...

0.36 + x = 1.00 . . . . . . where x is the fraction that are not 7th graders

x = 1.00 -0.36 = 0.64 . . . . . . the fraction that are not 7th graders

This decimal fraction can be written as the ratio of integers:

0.64 = 64/100 = 16/25 . . . . . . . . reduced form

The fraction of students that are not 7th graders is 16/25.

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