We want 10% = 0.1 = $10
Then to work out 100% we divide $10 by 0.1
$10/0.1 = $100
Answer: x=12
Step-by-step explanation:

The sum of the angles of the triangle is 180°:

Divide both parts of the equation by 4:

Answer:
332.
Step-by-step explanation:
Let the number of decisions made in 1982-1983 be x.
44.6% = 0.446.
This is a decrease, so the number of decisions announced in 2005-2006 is
(1 - 0.446) * x and this = 184.
0.554x = 184
x = 184/0.554
x = 332.