The answer to the question is 23
The best and most correct answer among the choices provided by your question is the first choice.
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1 fl oz </span><span>is the best estimate for the capacity of a bottle of salad dressing.</span>
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So we solve for each
70% of 100=70
students who didn't buy lunch=100-70=30
some of the 70 left so that the students who bought lunch, are 60% of those who are left
we know that the students who didn't buy lunch didn't change number so therefor
100% of students left-60%=40%= students that didn't buy lunch=30 so
40%=30
20%=15
100%=75
there were 75 students lfet in the cafeteria
