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There are 90 students in the sixth grade the lunch supervisor says that 70% of the six grade students by their lunch how many students buy their lunch at the school how many students bring lunch.



Answer :

Answer:

63 students buy their lunch

27 students bring their lunch

Step-by-step explanation:

If 70% of the 90 students buy their lunch, then 7/10 of them buy their lunch, and 3/10 of them bring their lunch.

Buy lunch:

We can multiply 7/10 by 90, giving us 63 students who buy their lunch.

Bring lunch:

We can multiply 3/10 by 90, giving  27 students who bring their lunch.

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