Answer:
Okay so you jsut gotta divide
5/2 is basically saying 5 divided by 2, the bar basically means divide by.
Now 5/2 is 2.5
2.5 into a mixes is 2 1/2
This is the equation. Try it for yourself and see if it works.
C= n x 4
Answer:
8 hours
Step-by-step explanation:
6x+20=68
subtract 20 from both sides
6x=48
divide 6 both sides
x=8
Step-by-step explanation:

3(x2+2x-3)-4(4x2-7x+5)
3x2 + 6x - 9 - 16x2 + 28x - 20
-13x2 + 34x - 29