80 tickets have been given out
50*.4=20
50*.6=30
30*2=60
60+20=80
8. first 12 bags for 54m^{2}
[/tex]
54 ÷ 12 = 4.5
we know: 1 bag for 4.5m^2
36 ÷ 4.5 = 8
so 36m^2 we must use 8 bags
9.

x2 =5x2/8= 10/8 = 5/4 = 1.25
hope it helped you
The temperature changed a total of 14° over the course of 7 hours with an average change of 2° per hour drop.
-4 - 1 = -5 can be an equation that equals -5.