3/10 = 30%
30% of students bring their lunch.
According to the fundamental theory of algebra, the number of solutions of an equation equals the degree of that equation.
This is a fourth degree equation, so there are 4 solutions.
Answer:
7×0.5= 3.5 cups of water
Step-by-step explanation:
7×0.5 is the expression used to find how many cups she drank in a week