1 fl oz. is equivalent to 29.6 ml.
0.5 * 4 * 29.6 = 59.2 ml
Given:
5 students are able to share 20 crayons.

For 30 students,

Answer: There are 120 crayons are needed for 30 students.
Answer:
I can't tell where the opption's are.... mind spacing them out? thanks :)
Step-by-step explanation:
2x + 3x + 5x = 180
10x = 180
x = 18
2x = 36, 3x = 54, 5x = 90
They add up to 180 (definition of sum of angles of a triangle.)