To help plan the number of meals to be prepared in a college cafeteria, a survey was conducted, and the following data were obtained.

128 students ate breakfast.
176 students ate lunch.
279 students ate dinner.
63 students ate breakfast and lunch.
110 students ate breakfast and dinner.
92 students ate lunch and dinner.
50 students ate all three meals.

How many students ate

(a) At least one meal in the cafeteria?

Question

To help plan the number of meals to be prepared in a college cafeteria, a survey was conducted, and the following data were obtained.

128 students ate breakfast.
176 students ate lunch.
279 students ate dinner.
63 students ate breakfast and lunch.
110 students ate breakfast and dinner.
92 students ate lunch and dinner.
50 students ate all three meals.

How many students ate

(a) At least one meal in the cafeteria?

anonymous · Answer

@ganeshie8  @confluxepic

anonymous · Answer

@jim_thompson5910

misty1212 · Answer

lol venn diagram for this  one
with three circles!

jim_thompson5910 · Answer

|dw:1446608451240:dw|

jim_thompson5910 · Answer

hopefully you have something like this set up

anonymous · Answer

I do what do I put in it though?

jim_thompson5910 · Answer

`50 students ate all three meals.`
so 50 goes in the region where all three circle overlap

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