1: Bettina's 60, and Melvina's 20.
2: 4.5 gallons
Only -√5 will do the trick. Otherwise you're stuck with the irrational √5.
(Correct me if I’m wrong in comments)
Answer: 80
Reasoning: A polyhedron can have 30 edges. If this polyhedron has 120 it has 4 times the “other” one. If it has 30 edges it will have 20 vertices, meaning 20*4=80 vertices
This is an easy one!
Answer = 20.
(18/20) x 100 = 90%
So, 20 questions!
Answer:
Hmm what the equation
Step-by-step explanation:
