Will mark students at a middle school or recently surveyed. the results reported 1/4 of 6th grade students 3/10 of seventh grade students an 2/7 of eighth grade students plan a career in stem. in which graded do the most students plan to have careers in stem

refer to the table. suppose in the 6th grade 3/4 the students want a career in either teaching or stem. how many 6th grade students did not choose a career in teaching or stem

1] To calculate the number of grade in which most students plan to have careers in stem we proceed as follows:
Number of students in:
6th grade who want career in stem is:
1/4 x 152=38

7th grade who want career in stem is:
3/10x160=48

8th grade who want career in step is:
2/7 x 147=42

From above we conclude that the majority of students who want a career in stem are in 7th grade

2] Given that 3/4 students in 6th grade want a career in teaching or stems, the fraction of students who do not want career in teaching or stem is:
1-3/4
=1/4
thus the number of these students who do not want the mentioned career will be:
1/4 x 152=38

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