Answer:
The total number of students that ate lunch are 300 .
Step-by-step explanation:
Formula

As given
There are 4 lunch choices in a school cafeteria: Salad, Pizza, Spaghetti, and Sub Sandwiches.
The percentage of students that chose salad is 15%.
If 45 students chose salad.
Here
Percentage = 15%
Part value = 45
Put in the formula



Therefore the total number of students that ate lunch are 300 .
The perimeter is 320. Just multiply 80 times 4
P(4-4)=p(0)=0
0=0
true, they are equivilent
Answer:
you need to give us a mathematical equation to answer that
Step-by-step explanation:
please add
Answer:
Step-by-step explanation:
x has to be equal to or less than a -5 to get (4 + x) to be a negative number.
x has to be equal to or greater than -10 for (11 + x) to be a positive number.
Therefore, any number between -10 and -5 will work.