a recent survey determained that 7 out of 9 students eat school lunch at least once a week. if 54 students were surveyed how many eat school lunch once a week?

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

In other words;

2 out of 9 students eat lunch once a week

Number of students in this category is then calculated as thus;

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

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