Answer:6120
Step-by-step explanation:
take the decimal in 6.12 and move it to the right three times and thats how I got the answer
Y = 3
Exp:
10 + 12y = 2y + 40
- 2y = - 2y
10 + 10y = 40
-10 -10
10y = 30
/ 10 / 10
y = 3
Call x is the number of girls in the classroom.
12/120 = 25/x
x = 120*25/12
x=250
Answer 250 girsl
A............................................
Equation- l=65-15d
graph- discrete bc it's only for integer numbers