Answer:
First Screen:
1 & 3
Second Screen::A
Step-by-step explanation:
HOPE THIS HELPS!!
I would put the equation into two fractions to make a proportion.
30/24 = 20/x
From there, you'd cross multiply to get:
30x = 480
x = 16
So, if there are 20 children currently in the elevator, 16 adults can still enter.
(2/5)x=45, multiply both sides by 5, 2x=225, divide both sides by 2, x=225/2 minutes to read the whole book.
Answer:
is<u> Rational</u> because<u> it's a non-perfect square</u>