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lana66690 [7]
3 years ago
10

Plz need asap!!!!!!!!!

Mathematics
1 answer:
joja [24]3 years ago
7 0

OK so if 70% of students in 8th grade have siblings and 112 8th graders have siblings, then:

0.7(total 8th graders) = 112

total 8th graders = 112/0.7

total 8th graders = 160


And since the number of 8th graders is 5/6 the size of the 7th grade class:

5/6(7th grade class) = 160

5(7th grade class) = 960

7th grade class = 192.


The correct answer is D) 192.


Hope this helps

cheers,

Brian

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