Among the eighth-graders in Micheal's school, 70% have siblings. The eighth-grade class is 5/6 the size of the seventh-grade cla
ss.
If 112 eighth-graders have siblings, how many students are in the seventh grade
A) 128
B) 134
C) 160
D) 192
2 answers:
The correct answer is D) 192 brainliest.
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.
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</span>
<span>The correct answer is D) 192.</span>
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