Since 0.10 is a decimal, multiplying 104.3 by 0.10 is actually dividing 104.3 by 10. Thus 104.3 multiplied by 0.10 is 10.43
18 = 2x +4
Subtract 4 from each side:
14 = 2x
divide both sides by 2:
X = 14/2 = 7 dollars per hour

Let's solve for x:
100x=1000
Divide by 100
x=10
You should expect to win 10 times.
About 93
Formula = Number x 100/Percent
=28 x 100/30
= 93.33