Answer:
75
Step-by-step explanation:
First divide 2/5 to get 0.4. Then divide 30 by 0.4 to get the answer. A simple way to think about it is how many 0.4 grams are in 30 gram tube.
Answer:
it is a function
Step-by-step explanation:
the input is not repeated
Answer:
<u>x</u><u> </u><u>is</u><u> </u><u>3</u>
Step-by-step explanation:


Answer:
-6
Step-by-step explanation:
Please mark as Brainliest! :)
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;



