Asked by Kamryn

a survey showed that 30% of student bring their lunch to school. The survey polled 300 students do not bring their lunch to school
Answered by Ms. Sue
Please proofread and repost.
Answered by Stephen Curry
Ms Sue can you help me in biology
Answered by Stephen Curry
30% of students bring lunch. Total students are 300.
So, 30% of 300 student is 90. (300 x 30/100 = 90 )

So 90 out of 300 bring lunch. That means students who do not bring lunch are 300 - 90 = 210.
Answer is 210 students do not being their lunch.

OR

30% of students bring lunch. So 70% of 300 students do not bring lunch.

So, 300 x 70/100 =210.
Answer = 210 students do not bring lunch
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