Can you guys please help me im completely lost on where to start
1 answer:
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Answer:
12 students
Step-by-step explanation:
Given
Required
Determine the number of students that eat lunch once a week
In Sets;
If out of 9, at least 7 eats one a week then
9 - 7 eats lunch once a week
<em>In other words;</em>
2 out of 9 students eat lunch once a week
Number of students in this category is then calculated as thus;
- Factor the indicated expression:
- Simplified the index, the root and also the exponent using the number 2.