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Question

A school opened in 1998 with 42 eighth grade students. The given table shows the increase in the number of eighth graders.What is the rate of increase in the number of eight graders at the school?
Eighth Grade Enrollment

YearNumber of
Students
199842
199959
200076
200193

A
17 students/year
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B
23 students/year
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C
42 students/year
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D
51 students/year
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Solution

The correct option is A 17 students/year
1998 to 1999 student increase =5942=17
1999 to 2000 student increase =7659=17
2000 to 2001 student increase =9376=17
So it is clear that every year 17 students are increasing.

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